%0 Journal Article %A Yu. L. Ershov %T On a~relation between sheaf-spaces and numerated sets with $C_2^*$-property %J Zapiski Nauchnykh Seminarov POMI %D 1972 %P 18-20 %V 32 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1972_32_a2/ %G ru %F ZNSL_1972_32_a2