Rational Chebyshev Approximations
to the Bessel Function Integrals Kis(x)
The second Remes algorithm is used to approximate
the integrals Kis by rational functions.
 The related coefficients for the approximations of
Ki1, Ki2, Ki3 are given for different precisions.
CACM December, 1964
Gargantini, I.
Pomentale, T.
