%0 Journal Article %A P. D. Kokinasidi %T Construction of the Riemann function for some hyperbolic equations %J Differencialʹnye uravneniâ %D 1983 %P 703-706 %V 19 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_4_a23/ %G ru %F DE_1983_19_4_a23