Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1968_4_3_a0, author = {V. F. Gaposhkin}, title = {Convergence and divergence systems}, journal = {Matemati\v{c}eskie zametki}, pages = {253--260}, publisher = {mathdoc}, volume = {4}, number = {3}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_3_a0/} }
V. F. Gaposhkin. Convergence and divergence systems. Matematičeskie zametki, Tome 4 (1968) no. 3, pp. 253-260. http://geodesic.mathdoc.fr/item/MZM_1968_4_3_a0/