TY - JOUR AU - U. N. Zakirov TI - Equations of motion of a cosmic body of varying composition, on the basis of the theory of relativity JO - Doklady Akademii Nauk PY - 1980 SP - 50 EP - 52 VL - 254 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_254_1_a10/ LA - ru ID - DAN_1980_254_1_a10 ER -