@article{IVM_1976_7_a4,
     author = {\`E. I. Kosoglyad},
     title = {Equations of motion for a~point and a~body of variable mass in {Loba\v{c}evski\~{i}} space},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {44--49},
     publisher = {mathdoc},
     number = {7},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1976_7_a4/}
}