%0 Journal Article %A N. G. Kuznetsov %T The source method for the plane Neumann--Kelvin problem and free oscillations of a fluid in a channel %J Differencialʹnye uravneniâ %D 1992 %P 1395-1401 %V 28 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_8_a13/ %G ru %F DE_1992_28_8_a13