@article{MZM_1992_52_3_a12,
     author = {T. N. Radul},
     title = {Whitney maps for spaces of embedding hypersurfaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {117--122},
     year = {1992},
     volume = {52},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_52_3_a12/}
}