@article{ZVMMF_1999_39_2_a7,
     author = {V. F. Dem'yanov and G. E. Murzabekova},
     title = {Convexifiers and implicit functions in nonsmooth system},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {222--234},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1999_39_2_a7/}
}