%0 Journal Article %A Powers, David L. %T On the Differentials of Certain Matrix Functions %J Canadian journal of mathematics %D 1971 %P 282-286 %V 23 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-028-6/ %R 10.4153/CJM-1971-028-6 %F 10_4153_CJM_1971_028_6