%0 Journal Article %A N. N. Kholshchevnikova %T Countably multiple null series %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2013 %P 288-299 %V 280 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2013_280_a20/ %G ru %F TM_2013_280_a20