@article{JMAG_1999_6_a1,
     author = {D. V. Bolotov},
     title = {On hyperfoliations of spheres},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {213--222},
     publisher = {mathdoc},
     volume = {6},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JMAG_1999_6_a1/}
}