%0 Journal Article %A V. P. Orevkov %T A constructive map of the square into itself, which moves every constructive point %J Doklady Akademii Nauk %D 1963 %P 55-58 %V 152 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a13/ %G ru %F DAN_1963_152_1_a13