@article{RM_1965_20_4_a7,
     author = {L. M. Vorob'ev},
     title = {Applicability of a~method of {Chaplygin} to a~system of differential equations of a~special form},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1965_20_4_a7/}
}