On Univalent Functions with Negative and Missing Coefficients
Received:May 29, 1982  
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Vinod Kumar Dept. Math., Janta College, Bakewar-206124, Etawah (U. P.), India 
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Abstract:
      Let Pk(A,B) be the class of functions(?), regu-lar in the unit disc U={z:|z|<1} and satisfying |[f′(z)-1]/[A-Bf′(z)]|<1 for z∈U, where -1≤Bk(A,B) under the assumption -1≤B≤0. We also obtain class preserving integral operators of the form.
Citation:
DOI:10.3770/j.issn:1000-341X.1984.01.006
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