@article{10_4153_CMB_1989_070_x,
     author = {Kuo, Tzee-Char and Trotman, David J. A. and Xin, Li Pei},
     title = {Blowing-Up and {Whitney} {(a)-Regularity}},
     journal = {Canadian mathematical bulletin},
     pages = {482--485},
     year = {1989},
     volume = {32},
     number = {4},
     doi = {10.4153/CMB-1989-070-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-070-x/}
}