TY - JOUR AU - V. D. Repnikov AU - S. D. Ăˆidel'man TI - Necessary and sufficient conditions for establishing a solution to the Cauchy problem JO - Doklady Akademii Nauk PY - 1966 SP - 298 EP - 301 VL - 167 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1966_167_2_a11/ LA - ru ID - DAN_1966_167_2_a11 ER -