00428nam a2200133Ia 4500082002000000100001700020245008200037250000800119260005400127300003600181490006700217500000500284700000500289  a515.73bW225.IA  aWalsh, J. L.  aInterpolation and approximation by rational functions in the complex domainb  a5th  aRhode IslandbAmerican Mathematical Societyc1969  ax, 405p. Index. Appendix. Bibl.  aAmerican Mathematical Society Colloquium Publications v v. 20  a  a