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Abstract
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How to Cite this Article

International Journal of Mathematics and Mathematical Sciences 
Volume 6 (1983), Issue 1, Pages 181-187
doi:10.1155/S0161171283000162

On the Ritt order of a certain class of functions

R. Parvatham and J. Thangamani

The Ramanujan Institute, University of Madras, Madras 600 005, India

Received 14 August 1981

Abstract

The authors introduce the notions of Ritt order and lower order to functions defined by the series ∑1∞fn(s)exp(−λns) where (λn) is a D-sequence and fn(s) are entire functions of bounded index.