%0 Journal Article %A D. O. Tsvetkov %T Oscillations of stratified liquid partially covered by crumpling ice %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2018 %P 70-85 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2018_12_a4/ %G ru %F IVM_2018_12_a4