%0 Journal Article %A T. V. Chekmarev %T Solution of the hyperbolic system of two partial differential equations with two unknown functions %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1959 %P 220-228 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1959_6_a26/ %G ru %F IVM_1959_6_a26