TY - JOUR AU - E. A. Volkov TI - An asymptotically rapid approximate method for obtaining the JO - Doklady Akademii Nauk PY - 1984 SP - 285 EP - 290 VL - 279 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1984_279_2_a5/ LA - ru ID - DAN_1984_279_2_a5 ER -