On generalized whitney mappings
Compositio Mathematica, Volume 52 (1984) no. 1, p. 47-56 
@article{CM_1984__52_1_47_0,
     author = {Van de Vel, M.},
     title = {On generalized whitney mappings},
     journal = {Compositio Mathematica},
     publisher = {Martinus Nijhoff Publishers},
     volume = {52},
     number = {1},
     year = {1984},
     pages = {47-56},
     zbl = {0551.54007},
     mrnumber = {742697},
     language = {en},
     url = {http://www.numdam.org/item/CM_1984__52_1_47_0}
}

Van de Vel, M. On generalized whitney mappings. Compositio Mathematica, Volume 52 (1984) no. 1, pp. 47-56. http://www.numdam.org/item/CM_1984__52_1_47_0/

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