On the expansion of confluent hypergeome
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N.M. Temme
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Article
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1981
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Elsevier Science
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English
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For the confluent hypergeometric functions U (a, b, z) and M (a, b, z) asymptotic expansions are given for a -~ ,o. The expansions contain modified Bessel functions. For real values of the parameters rigorous error bounds are given.