@article{IVM_1972_5_a12,
     author = {G. N. Serikov},
     title = {On the problem of game contact of motions for systems with lag},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {84--91},
     publisher = {mathdoc},
     number = {5},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1972_5_a12/}
}