@article{1102702797, author = {Fan, Ky}, title = {The angular derivative of an operator-valued analytic function.}, journal = {Pacific J. Math.}, volume = {125}, number = {2}, year = {1986}, pages = { 67-72}, language = {en}, url = {http://dml.mathdoc.fr/item/1102702797} }
Fan, Ky. The angular derivative of an operator-valued analytic function.. Pacific J. Math., Tome 125 (1986) no. 2, pp. 67-72. http://gdmltest.u-ga.fr/item/1102702797/