%0 Journal Article %A É. A. Asadullin %T Tests for convergence of multiple series with positive terms %J Doklady Akademii Nauk %D 1961 %P 529-531 %V 136 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_136_3_a2/ %G ru %F DAN_1961_136_3_a2