%0 Journal Article %A V. Golo %T On some differential topological invariants of multiply connected domains %J Doklady Akademii Nauk %D 1966 %P 1030-1032 %V 171 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_171_5_a4/ %G ru %F DAN_1966_171_5_a4