@article{SM_1977_32_4_a0,
     author = {V. I. Berdyshev},
     title = {Stability of a~minimization problem under perturbation of the set of admissible elements},
     journal = {Sbornik. Mathematics},
     pages = {401--412},
     year = {1977},
     volume = {32},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_32_4_a0/}
}