%0 Journal Article %A Kimura, N. %T Some Remarks on a Problem of E. L. Whitney %J Canadian mathematical bulletin %D 1962 %P 305-309 %V 5 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1962-031-4/ %R 10.4153/CMB-1962-031-4 %F 10_4153_CMB_1962_031_4