Voir la notice de l'article provenant de la source Math-Net.Ru
@article{SEMR_2012_9_a2, author = {A. V. Kravchenko}, title = {Minimal quasivarieties of differential groupoids with nonzero multiplication}, journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a}, pages = {201--207}, publisher = {mathdoc}, volume = {9}, year = {2012}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SEMR_2012_9_a2/} }
A. V. Kravchenko. Minimal quasivarieties of differential groupoids with nonzero multiplication. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 9 (2012), pp. 201-207. http://geodesic.mathdoc.fr/item/SEMR_2012_9_a2/