@article{FAA_1989_23_2_a8, author = {V. M. Kadets}, title = {Sum regions of weakly convergent series}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {60--62}, publisher = {mathdoc}, volume = {23}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a8/} }