| Nil-clean matrix rings S Breaz, G Călugăreanu, P Danchev, T Micu Linear Algebra and its Applications 439 (10), 3115-3119, 2013 | 106 | 2013 |
| Lattice concepts of module theory G Calugareanu Springer Science & Business Media, 2013 | 92 | 2013 |
| The total number of subgroups of a finite abelian group G Calugareanu Scientiae Mathematicae Japonicae 60 (1), 157-168, 2004 | 49 | 2004 |
| The fully invariant extending property for abelian groups GF Birkenmeier, G Călugăreanu, L Fuchs, HP Goeters Taylor & Francis Group 29 (2), 673-685, 2001 | 36 | 2001 |
| A nil-clean 2× 2 matrix over the integers which is not clean D Andrica, G Călugăreanu Journal of Algebra and Its Applications 13 (06), 1450009, 2014 | 33 | 2014 |
| UN-rings G Calugareanu Journal of Algebra and Its Applications 15 (10), 2016 | 29 | 2016 |
| Strongly invariant subgroups G CĂLUGĂREANU Glasgow Mathematical Journal 57 (2), 431-443, 2015 | 24 | 2015 |
| Modules with Abelian endomorphism rings G Călugăreanu, P Schultz Bulletin of the Australian Mathematical Society 82 (1), 99-112, 2010 | 20 | 2010 |
| Hypergroups associated with lattices G CALUGAREANU, V LEOREANU Italian journal of pure and applied mathematics, 165-173, 2001 | 18 | 2001 |
| Modules with Dedekind finite endomorphism rings S Breaz, G Calugareanu, P Schultz Mathematica 53 (76), 15-28, 2011 | 16 | 2011 |
| UU rings G Călugăreanu Carpathian Journal of Mathematics, 157-163, 2015 | 13 | 2015 |
| Exercises in Abelian group theory G Calugareanu Springer Science & Business Media, 2003 | 13 | 2003 |
| Sums of nilpotent matrices S Breaz, G Călugăreanu Linear and Multilinear Algebra 65 (1), 67-78, 2017 | 12 | 2017 |
| Morphic abelian groups G Călugăreanu Journal of Algebra and its Applications 9 (02), 185-193, 2010 | 10 | 2010 |
| UN-rings G Călugăreanu Journal of Algebra and Its Applications 15 (10), 1650182, 2016 | 9 | 2016 |
| Exercises in basic ring theory G Calugareanu, P Hamburg Springer Science & Business Media, 1998 | 9* | 1998 |
| On operators of SN Bernstein. Spectra of operators G Calugareanu Gaz. Math.(A) 71, 448-451, 1966 | 9 | 1966 |
| Uniquely clean 2× 2 invertible integral matrices D Andrica, G Calugareanu Studia Universitatis Babes-Bolyai 62, 287-293, 2017 | 8 | 2017 |
| A new class of semiprime rings G Calugareanu Houston J. Math 44, 21-30, 2018 | 7 | 2018 |
| Tripotents: a class of strongly clean elements in rings G Călugăreanu Analele ştiinţifice ale Universităţii" Ovidius" Constanţa. Seria Matematică …, 2018 | 7 | 2018 |
