TY - JOUR AU - L. R. Volevich AU - S. G. Gindikin TI - Pseudo-differential operators and Cauchy problem for differential equations with variable coefficients JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1967 SP - 8 EP - 25 VL - 1 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1967_1_4_a1/ LA - ru ID - FAA_1967_1_4_a1 ER -