@article{GDZPPN002234831, title = {Homological Characterization of Lean Algebras.}, journal = {Manuscripta mathematica}, volume = {79}, year = {1993}, pages = {141-148}, zbl = {0814.16005}, url = {http://dml.mathdoc.fr/item/GDZPPN002234831} }
Dlab, V.; Ágoston, I.; Lukács, E. Homological Characterization of Lean Algebras.. Manuscripta mathematica, Tome 79 (1993) pp. 141-148. http://gdmltest.u-ga.fr/item/GDZPPN002234831/