Submitted by admin on Tue, 03/17/2009 - 9:29pm
- C. Ray Mylie, Louis C. Barrett, Advanced Engineering Mathematics, 1976.
William E. Boyce, Richard C. DiPrima, Elementary Differential Equations and Boundary Value Problems, Canada, 1986.
http://dlmf.nist.gov - NIST Digital Library of Mathematical Functions
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