MathSciNet bibliographic data MR471262 (57 #10999) 65D20 Blair, J. M.; Edwards, C. A.; Johnson, J. H. Rational Chebyshev approximations for the Bickley functions \$Ki\sb{n}(x)\$$Ki\sb{n}(x)$. Math. Comp. 32 (1978), no. 143, 876–886. Article

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