@article{SM_1984_48_2_a3,
     author = {A. V. Bogatyrev},
     title = {Continuous branches of multivalued mappings with nonconvex right side},
     journal = {Sbornik. Mathematics},
     pages = {339--348},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1984_48_2_a3/}
}