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@article{CMH_1966__41_139320, author = {Peter Lappan}, title = {Some results on functions holomorphic in the unit disk.}, journal = {Commentarii mathematici Helvetici}, pages = {183--186}, publisher = {mathdoc}, volume = {41}, year = {1966}, zbl = {0154.07401}, url = {http://geodesic.mathdoc.fr/item/CMH_1966__41_139320/} }
Peter Lappan. Some results on functions holomorphic in the unit disk.. Commentarii mathematici Helvetici, Tome 41 (1966), pp. 183-186. http://geodesic.mathdoc.fr/item/CMH_1966__41_139320/