%0 Journal Article %A P. I. Naumkin %A I. A. Shishmarev %T Breaking of waves for the Whitham equation with singular kernel. I %J Differencialʹnye uravneniâ %D 1985 %P 499-508 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_3_a16/ %G ru %F DE_1985_21_3_a16