@article{ASUO_2020_XXVIII_3_a8,
     author = {Grigore C\u{a}lug\u{a}reanu and Horia Pop~
							},
     title = {Jacobson{\textquoteright}s {Lemma} fails for nil-clean $2 \times 2$ integral matrices},
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     publisher = {mathdoc},
     volume = {XXVIII},
     number = {3},
     year = {2020},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2020_XXVIII_3_a8/}
}