%0 Journal Article %A A. A. Petrov %T An approximate method for the calculation of characteristic oscillations of a liquid in vessels of arbitrary shape and the Zhukovskii potentials for these vessels %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1963 %P 958-964 %V 3 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1963_3_5_a13/ %G ru %F ZVMMF_1963_3_5_a13