@article{IVM_1961_2_a13,
     author = {V. S. Serebryakova and E. A. Barbashin},
     title = {A qualitative study of equations describing the motion of interacting points on a circle},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {137--146},
     publisher = {mathdoc},
     number = {2},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1961_2_a13/}
}