@article{VUU_2011_2_a6,
     author = {V. N. Ushakov and A. A. Zimovets},
     title = {Invariance defect of sets with respect to differential inclusion},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {98--111},
     publisher = {mathdoc},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2011_2_a6/}
}