@article{SM_2002_193_1_a1,
     author = {S. A. Bogatyi},
     title = {$k${-Regular} maps into {Euclidean} spaces and {the~Borsuk--Boltyanskii} problem},
     journal = {Sbornik. Mathematics},
     pages = {73--82},
     publisher = {mathdoc},
     volume = {193},
     number = {1},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2002_193_1_a1/}
}