Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1971_197_4_a15, author = {S. A. Chunikhin}, title = {Indexials and subgroups}, journal = {Doklady Akademii Nauk}, pages = {798--800}, publisher = {mathdoc}, volume = {197}, number = {4}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_197_4_a15/} }
S. A. Chunikhin. Indexials and subgroups. Doklady Akademii Nauk, Tome 197 (1971) no. 4, pp. 798-800. http://geodesic.mathdoc.fr/item/DAN_1971_197_4_a15/