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@article{PORMA_1981__40_4_115474, author = {Owa, Shigeyoshi}, title = {On certain classes of analytic functions}, journal = {Portugaliae mathematica}, pages = {449--456}, publisher = {mathdoc}, volume = {40}, number = {4}, year = {1981}, mrnumber = {0836108}, zbl = {0582.30008}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1981__40_4_115474/} }
Owa, Shigeyoshi. On certain classes of analytic functions. Portugaliae mathematica, Tome 40 (1981) no. 4, pp. 449-456. http://geodesic.mathdoc.fr/item/PORMA_1981__40_4_115474/