%0 Journal Article %A B. A. Shulyak %T Structure constants of the bottom that is being deformed by an undulatory flow %J Doklady Akademii Nauk %D 1960 %P 275-278 %V 131 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_131_2_a15/ %G ru %F DAN_1960_131_2_a15