@article{SM_2004_195_8_a1,
     author = {S. A. Melikhov},
     title = {On isotopic realizability of maps factored through a~hyperplane},
     journal = {Sbornik. Mathematics},
     pages = {1117--1163},
     year = {2004},
     volume = {195},
     number = {8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2004_195_8_a1/}
}