00433nam a2200133Ia 4500082001900000100003700019245004900056260003900105300001500144490008800159500002500247500000500272700002200277  a515.35bK89.AS  aKrasnosel'skii, M. A. and Others  aApproximate solution of operator equationsb  aGroningenbWolters-Noordhoffc1972  axii, 484p.  aWolters-Noordhoff series of monographs and textbook on Pure and Applied Mathematics  a"Tr. by D. Louvish".  a  aLouvish, D. ; tr.