%0 Journal Article %A Mizel, Victor J. %T Characterization of Non-Linear Transformations Possessing Kernels %J Canadian journal of mathematics %D 1970 %P 449-471 %V 22 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-053-3/ %R 10.4153/CJM-1970-053-3 %F 10_4153_CJM_1970_053_3