%0 Journal Article %A D. O. Tsvetkov %T Small motions of an ideal stratified fluid partially covered with elastic ice %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2018 %P 328-347 %V 28 %N 3 %U http://geodesic.mathdoc.fr/item/VUU_2018_28_3_a4/ %G ru %F VUU_2018_28_3_a4