@article{IM2_1995_45_1_a8,
     author = {V. I. Skalyga},
     title = {On~deformations of nonsmooth optimization problems having an isolated extremal},
     journal = {Izvestiya. Mathematics},
     pages = {187--195},
     year = {1995},
     volume = {45},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1995_45_1_a8/}
}