On a paper by Copson and Ferrar
- 1 May 1939
- journal article
- research article
- Published by Cambridge University Press (CUP) in Proceedings of the Edinburgh Mathematical Society
- Vol. 6 (1) , 11
- https://doi.org/10.1017/s0013091500008488
Abstract
Concerning your paper written in collaboration with Professor Copson, I found the expansion offor small values of λ in the following manner: The elementary substitution tan ½φ = sin θ/(et + cos θ)yieldsi.e. your equation (5.11).Keywords
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