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@article{MS2_1957__5_165667, author = {C.T. RAJAGOPAL}, title = {On an absolute constant for a class of power series}, journal = {Mathematica Scandinavica}, pages = {267--270}, publisher = {mathdoc}, volume = {5}, year = {1957}, zbl = {0080.28101}, url = {http://geodesic.mathdoc.fr/item/MS2_1957__5_165667/} }
C.T. RAJAGOPAL. On an absolute constant for a class of power series. Mathematica Scandinavica, Tome 5 (1957), pp. 267-270. http://geodesic.mathdoc.fr/item/MS2_1957__5_165667/