%0 Journal Article %A A. V. Fedorov %A V. M. Fomin %A N. N. Yanenko %T A differential analyzer for discontinuities of solutions of nonhomogeneous hyperbolic equations %J Doklady Akademii Nauk %D 1980 %P 554-559 %V 254 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_3_a9/ %G ru %F DAN_1980_254_3_a9