%0 Journal Article %A V. P. Zaharyuta %T Product of bases in arbitrary regions %J Doklady Akademii Nauk %D 1963 %P 273-276 %V 151 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_151_2_a7/ %G ru %F DAN_1963_151_2_a7