@article{IVM_2009_7_a3,
     author = {P. I. Troshin},
     title = {Multivalued dynamic systems with weights},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {35--50},
     publisher = {mathdoc},
     number = {7},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2009_7_a3/}
}