TY - JOUR AU - P. E. Elyasberg AU - T. A. Timokhova TI - Boundedness condition for the orbit of a spacecraft in the JO - Doklady Akademii Nauk PY - 1987 SP - 55 EP - 58 VL - 293 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_293_1_a11/ LA - ru ID - DAN_1987_293_1_a11 ER -