00799nam0-22003011i-450-99000088682040332120001010000088682FED01000088682(Aleph)000088682FED0100008868220001010d--------km-y0itay50------baitay-------001yyElements of Functional AnalysisNew YorkJohn Wiley1974.p.358ill.cm 22MatematicaLusternik,L.A.344571Sobolev,Vladimir IvanovichITUNINARICAUNIMARCBK99000088682040332103 M.0,2523093IINTCIINTCElements of Functional Analysis348996UNINAING01