Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_2010_49_6_a4, author = {E. A. Palyutin}, title = {Categorical {Horn} classes.~2}, journal = {Algebra i logika}, pages = {782--802}, publisher = {mathdoc}, volume = {49}, number = {6}, year = {2010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_2010_49_6_a4/} }
E. A. Palyutin. Categorical Horn classes. 2. Algebra i logika, Tome 49 (2010) no. 6, pp. 782-802. http://geodesic.mathdoc.fr/item/AL_2010_49_6_a4/