%0 Journal Article %A M. Yu. Filimonov %T On the representation of solutions of mixed problems for the nonlinear wave equation by special double series %J Differencialʹnye uravneniâ %D 1991 %P 1625-1632 %V 27 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_9_a17/ %G ru %F DE_1991_27_9_a17