01138nam0-22003971i-450 99000088660040332120201019122208.0000088660FED01000088660(Aleph)000088660FED0100008866020001010d1979----km-y0itay50------baengNLy-------001yyTheory of extremal problemsA. D. Ioffe, V. M. TikhomirovAmsterdamNorth Holland1979p.460ill.cm 20Studies in mathematics and its applications6Calcolo delle variazioni515.64Ioffe,Aleksandr Davidovich41266Tikhomirov,Vladimir Mikhailovich41267ITUNINARICAUNIMARCBK99000088660040332103 M.0,3193876IINTC03 M.,322-,323490IINTCC-53-(619614MA102 36 B 153607FINBNFINBNMA1IINTCTheory of extremal problems1759712UNINAING01