@article{SM_1978_34_4_a8,
     author = {Phan V\u{a}n Chu'o'ng},
     title = {On a~smooth selection theorem and its application to multivalued integral equations},
     journal = {Sbornik. Mathematics},
     pages = {547--559},
     publisher = {mathdoc},
     volume = {34},
     number = {4},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1978_34_4_a8/}
}