@article{AUCMP_1981__22_1_a7,
     author = {\v{Z}\'a\v{c}ek, P. and Van\'ysek, V.},
     title = {Motion of cometary particle with variable mass under central fields of forces},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {51--61},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1981},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1981__22_1_a7/}
}