%0 Journal Article %A B. V. Loginov %T Construction of periodic solutions of the three-dimensional problem of waves above a level bottom %J Doklady Akademii Nauk %D 1979 %P 324-328 %V 247 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_247_2_a16/ %G ru %F DAN_1979_247_2_a16