@article{TM_1995_211_a18,
     author = {A. B. Kurzhanskii and T. F. Filippova},
     title = {Differential inclusions with phase constraints. {The} theory of perturbations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {304--315},
     publisher = {mathdoc},
     volume = {211},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1995_211_a18/}
}