01235cam0-22004091i-450-99000104911040332120060412141805.00-8247-1556-X000104911FED01000104911(Aleph)000104911FED0100010491120001205d1971----km-y0itay50------baengrusUSy-------001yyNecessary conditions for an extremumB. N. Pshenichnyitranslation edited by Lucien W. Neustadttranslated by Karol MakowskiNew YorkMarcel Dekker1971XVIII, 230 p.24 cmPure and applied mathematics42001Neobkhodimye usloviëiìa çekstremuma49551Analisi funzionaleAlgebre astratte517.00517.36Pshenichnyi,Boris Nikolaevich492507Makoski,KarolNeustadt,Lucien W.ITUNINARICAUNIMARCBK99000104911040332114A-1087945FI1C-8-(412002MA1FI1MA1Neobkhodimye usloviëiìa çekstremuma49551UNINA