%0 Journal Article %A Ya. P. Blank %T A certain generalization of S.~Lie's problem on translation surfaces %J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara %D 1971 %P 5-27 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTG_1971_3_a0/ %G ru %F INTG_1971_3_a0