@article{1077376389, author = {Ryff, John V.}, title = {Subordinate $H\sp{p}$ functions}, journal = {Duke Math. J.}, volume = {33}, number = {1}, year = {1966}, pages = { 347-354}, language = {en}, url = {http://dml.mathdoc.fr/item/1077376389} }
Ryff, John V. Subordinate $H\sp{p}$ functions. Duke Math. J., Tome 33 (1966) no. 1, pp. 347-354. http://gdmltest.u-ga.fr/item/1077376389/