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@article{MMO_1960_9_a13, author = {P. L. Ul'yanov}, title = {Convergence and summability}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {373--399}, publisher = {mathdoc}, volume = {9}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1960_9_a13/} }
P. L. Ul'yanov. Convergence and summability. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 9 (1960), pp. 373-399. http://geodesic.mathdoc.fr/item/MMO_1960_9_a13/