TY - JOUR AU - Žáček, P. AU - Vanýsek, V. TI - Motion of cometary particle with variable mass under central fields of forces JO - Acta Universitatis Carolinae. Mathematica et Physica PY - 1981 SP - 51 EP - 61 VL - 22 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/AUCMP_1981__22_1_a7/ LA - en ID - AUCMP_1981__22_1_a7 ER -