%0 Journal Article %A Ya. P. Blank %A L. T. Motornyi %T On a problem of Blaschke on quasi-translation surfaces %J Doklady Akademii Nauk %D 1965 %P 1235-1238 %V 160 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_160_6_a1/ %G ru %F DAN_1965_160_6_a1