%0 Journal Article %A Yu. F. Borisov %T On a property of a continuous function %J Doklady Akademii Nauk %D 1971 %P 1271-1274 %V 201 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_201_6_a0/ %G ru %F DAN_1971_201_6_a0