00298nam a2200121Ia 4500082001700000100003800017245002300055260004800078300000600126500000800132500000500140700003100145  a517bB492.CM  aBerezin, I. S. and Zhidkov, N. P.  aComputing methodb  aMassachusettsbAddison-Wesleycxxxiv, 464p.  a   av.1  a  aZhidkov, N. P. ; jt. auth.