%0 Journal Article %A S. M. Sirota %T The product of topological groups and extremal disconnectedness %J Sbornik. Mathematics %D 1969 %P 169-180 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1969_8_2_a2/ %G en %F SM_1969_8_2_a2