%0 Journal Article %A T. V. Chekmarev %T The Cauchy problem for a~system of differential equations with two unknown functions of two arguments %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2001 %P 48-56 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2001_7_a6/ %G ru %F IVM_2001_7_a6