@article{SM_1969_9_4_a10,
     author = {B. T. Polyak},
     title = {Corrections to the paper {{\textquotedblleft}Semicontinuity} of integral functionals and existence theorems on extremal problems{\textquotedblright}, {Mat.} {Sb.} {(N.S.),} 78(120) (1969), 65{\textendash}84},
     journal = {Sbornik. Mathematics},
     pages = {570},
     year = {1969},
     volume = {9},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_9_4_a10/}
}