@article{VTGU_2008_1_a1,
     author = {O. V. Vasil'eva and N. M. Onishchuk},
     title = {Meridians and {Parallel} {Lines} of {Nonholonomic} {Double} {Rotation} {Hypersurface} in~$E_4$},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {11--22},
     publisher = {mathdoc},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2008_1_a1/}
}