%0 Journal Article %A T. V. Chekmarev %T Solution of a~Darboux problem by reducing it to a~Goursat problem %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1980 %P 67-72 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1980_5_a13/ %G ru %F IVM_1980_5_a13