01014nam--2200337---450-9900006255202033160062552USA010062552(ALEPH)000062552USA01006255220010912d1983----km-y0itay0103----baengUS||||||||001yySpectral Approximation of Linear OperatorsF. ChatelinNew YorkAcademic press1983458 p.23 cmComputer science and applied mathematics2001Computer science and applied mathematics515.7CHATELIN,Françoise54166ITsalbcISBD990000625520203316510 CSM 4415521 CBS51000108292BKSCIPATTY9020010912USA01172720020403USA011712PATRY9020040406USA011643Spectral Approximation of Linear Operators957041UNISA