Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{MAT_1968_12_4_a0, title = {{\CYRI}{\cyrs}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre}}, journal = {Matematika}, pages = {2}, publisher = {mathdoc}, volume = {12}, number = {4}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1968_12_4_a0/} }
Исправление. Matematika, Tome 12 (1968) no. 4. http://geodesic.mathdoc.fr/item/MAT_1968_12_4_a0/