TY - JOUR AU - V. V. Kucherenko TI - Parametrix for equations with degenerate symbol JO - Doklady Akademii Nauk PY - 1976 SP - 797 EP - 800 VL - 229 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_229_4_a4/ LA - ru ID - DAN_1976_229_4_a4 ER -