01016nam--2200337---450-99000322977020331620090428093312.090-01-58865-4000322977USA01000322977(ALEPH)000322977USA0100032297720090428d1971----km-y0itay50------baengNL||||||||001yy<<The>> numerical performance of variational methodsMikhlin S.G.Translated from the russian by R.S. AnderssenGroningenWolters-Noordhoff1971XXIII, 373 p.23 cmTeoria dell'approssimazione511.4MIKHLIN,S.G.462416ANDERSSEN,R.S.ITsalbcISBD990003229770203316511.4 MIK5605/CBS511.400218384BKSCIRSIAV69020090428USA010933Numerical performance of variational methods1013447UNISA