@article{TIMM_2012_18_4_a24,
     author = {V. N. Ushakov and A. A. Zimovets},
     title = {On the question of the weak invariance of sets with respect to a~differential inclusion generated by a~control system},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {271--285},
     year = {2012},
     volume = {18},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2012_18_4_a24/}
}