Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1978_17_1_a6, author = {S. V. Smirnov}, title = {Approximations of mappings into a group}, journal = {Algebra i logika}, pages = {86--101}, publisher = {mathdoc}, volume = {17}, number = {1}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1978_17_1_a6/} }
S. V. Smirnov. Approximations of mappings into a group. Algebra i logika, Tome 17 (1978) no. 1, pp. 86-101. http://geodesic.mathdoc.fr/item/AL_1978_17_1_a6/