@article{TM_2004_247_a1,
     author = {P. M. Akhmet'ev},
     title = {A~Remark on the {Realization} of {Mappings} of the {3-Dimensional} {Sphere} into {Itself}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {10--14},
     year = {2004},
     volume = {247},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2004_247_a1/}
}