TY - JOUR AU - V. M. Borok TI - Reduction to a single equation of an evolutional system of linear partial differential equations with constant coefficients JO - Doklady Akademii Nauk PY - 1957 SP - 682 EP - 685 VL - 114 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_114_4_a1/ LA - ru ID - DAN_1957_114_4_a1 ER -