%0 Journal Article
%A V. I. Gromak
%A V. V. Tsegel'nik
%T System of~three-wave resonant interaction and $P$-type equations
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1989
%P 22-34
%V 78
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1989_78_1_a2/
%G ru
%F TMF_1989_78_1_a2