@article{10_4153_CMB_1980_055_4,
     author = {Jr., L. E. Ward},
     title = {A {Note} on {Whitney} {Maps}},
     journal = {Canadian mathematical bulletin},
     pages = {373--374},
     year = {1980},
     volume = {23},
     number = {3},
     doi = {10.4153/CMB-1980-055-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-055-4/}
}