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@article{MZM_1988_43_6_a3, author = {E. A. Vlasova}, title = {A certain class of orthogonal convergence systems}, journal = {Matemati\v{c}eskie zametki}, pages = {734--745}, publisher = {mathdoc}, volume = {43}, number = {6}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_6_a3/} }
E. A. Vlasova. A certain class of orthogonal convergence systems. Matematičeskie zametki, Tome 43 (1988) no. 6, pp. 734-745. http://geodesic.mathdoc.fr/item/MZM_1988_43_6_a3/