TY - JOUR AU - Yu. I. Kovach TI - Proof of an existence and uniqueness theorem for the solution of the Cauchy problem by the method of two-sided approximation for the generalized 2n-wave system JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1965 SP - 551 EP - 557 VL - 5 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1965_5_3_a12/ LA - ru ID - ZVMMF_1965_5_3_a12 ER -