TY - JOUR AU - T. V. Chekmarev TI - The Cauchy problem for a~system of differential equations with two unknown functions of two arguments JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2001 SP - 48 EP - 56 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2001_7_a6/ LA - ru ID - IVM_2001_7_a6 ER -