@article{SM_1969_9_4_a10,
     author = {B. T. Polyak},
     title = {Corrections to the paper {``Semicontinuity} of integral functionals and existence theorems on extremal problems'', {Mat.} {Sb.} {(N.S.),} 78(120) (1969), 65--84},
     journal = {Sbornik. Mathematics},
     pages = {570},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_9_4_a10/}
}