Fixed point theorems in ordered abstract spaces JJ Nieto, RL Pouso, R Rodríguez-López Proceedings of the American Mathematical Society, 2505-2517, 2007 | 297 | 2007 |

Existence results for the problem (φ (u))= f (t, u, u) with nonlinear boundary conditions A Cabada, RL Pouso Nonlinear Anal 35 (2), 221-231, 1999 | 107 | 1999 |

Existence result for the problem with periodic and Neumann boundary conditions A Cabada, RL Pouso Nonlinear Anal 30, 1733-1742, 1997 | 86 | 1997 |

Optimal existence conditions for φ-Laplacian equations with upper and lower solutions in the reversed order A Cabada, P Habets, RL Pouso Journal of Differential Equations 166 (2), 385-401, 2000 | 75 | 2000 |

Extremal solutions of strongly nonlinear discontinuous second-order equations with nonlinear functional boundary conditions A Cabada, RL Pouso Nonlinear Analysis-Theory Methods and Applications 42 (8), 1377-1396, 2000 | 74 | 2000 |

Existence theory for functional p-Laplacian equations with variable exponents A Cabada, RL Pouso Nonlinear Analysis: Theory, Methods & Applications 52 (2), 557-572, 2003 | 50 | 2003 |

Theory and applications of first-order systems of Stieltjes differential equations M Frigon, RL Pouso Advances in Nonlinear Analysis 6 (1), 13-36, 2017 | 45 | 2017 |

A new unification of continuous, discrete, and impulsive calculus through Stieltjes derivatives RL Pouso, A Rodríguez Real Analysis Exchange 40 (2), 319-354, 2015 | 44 | 2015 |

Extremal solutions to fourth-order functional boundary value problems including multipoint conditions A Cabada, RL Pouso, FM Minhós Nonlinear Analysis: Real World Applications 10 (4), 2157-2170, 2009 | 43 | 2009 |

On first order discontinuous scalar differential equations A Cabada, RL Pouso Nonlinear Studies 6 (2), 161-170, 1999 | 35 | 1999 |

Examples of the nonexistence of a solution in the presence of upper and lower solutions P Habets, RL Pouso The ANZIAM Journal 44 (4), 591-594, 2003 | 32 | 2003 |

Existence and approximation of solutions for first-order discontinuous difference equations with nonlinear global conditions in the presence of lower and upper solutions A Cabada, V Otero-Espinar, RL Pouso Computers & Mathematics with Applications 39 (1-2), 21-33, 2000 | 31 | 2000 |

General existence principles for Stieltjes differential equations with applications to mathematical biology RL Pouso, IM Albés Journal of Differential Equations 264 (8), 5388-5407, 2018 | 29 | 2018 |

Schauder’s fixed-point theorem: new applications and a new version for discontinuous operators R López Pouso Boundary Value Problems 2012 (1), 1-14, 2012 | 27 | 2012 |

On first-order ordinary differential equations with nonnegative right-hand sides JA Cid, RL Pouso Nonlinear Analysis: Theory, Methods & Applications 52 (8), 1961-1977, 2003 | 27 | 2003 |

Ordinary differential equations and systems with time-dependent discontinuity sets JA Cid, RL Pouso Proceedings of the Royal Society of Edinburgh Section A: Mathematics 134 (4 …, 2004 | 26 | 2004 |

Upper and lower solutions for first-order discontinuous ordinary differential equations RL Pouso Journal of Mathematical Analysis and Applications 244 (2), 466-482, 2000 | 26 | 2000 |

Second order problems with functional conditions including Sturm-Liouville and multipoint conditions A Cabada, D O'Regan, RL Pouso Mathematische Nachrichten 281 (9), 1254-1263, 2008 | 25 | 2008 |

Nonresonance conditions and extremal solutions for first-order impulsive problems under weak assumptions D Franco, RL Pouso The ANZIAM Journal 44 (3), 393-407, 2003 | 23 | 2003 |

Upper and lower solutions with “jumps” E Liz, RL Pouso Journal of mathematical analysis and applications 222 (2), 484-493, 1998 | 20 | 1998 |