@article{IM2_1999_63_3_a2,
     author = {E. P. Dolzhenko and E. A. Sevast'yanov},
     title = {Approximations with a~sign-sensitive weight. {Stability,} applications to the theory of snakes and {Hausdorff} approximations},
     journal = {Izvestiya. Mathematics },
     pages = {495--534},
     publisher = {mathdoc},
     volume = {63},
     number = {3},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1999_63_3_a2/}
}