@article{SM_1996_187_7_a0,
     author = {P. M. Akhmet'ev},
     title = {On isotopic and discrete realizations of maps of an~$n$-dimensional sphere in {Euclidean} space},
     journal = {Sbornik. Mathematics},
     pages = {951--980},
     publisher = {mathdoc},
     volume = {187},
     number = {7},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1996_187_7_a0/}
}