TY - JOUR AU - V. A. Grobov TI - A method for averaging standard equations containing a ``quasicyclic'' angular coordinate JO - Doklady Akademii Nauk PY - 1958 SP - 858 EP - 860 VL - 119 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_119_5_a3/ LA - ru ID - DAN_1958_119_5_a3 ER -