00808nam0-22003011i-450-99000089091040332120001010000089091FED01000089091(Aleph)000089091FED0100008909120001010d--------km-y0itay50------baitay-------001yyConvex functionsWayne A. Roberts,Dale E. Varberg.New YorkAcademic press1973.20 cm IX 300 p. con fig.MatematicaRoberts,Wayne A.345283Varberg,Dale E.ITUNINARICAUNIMARCBK99000089091040332103 M.II.0,2302901IINTCIINTCConvex functions356651UNINAING0100747nam0-22002531i-450-990002673470403321000267347FED01000267347(Aleph)000267347FED0100026734720000920d1972----km-y0itay50------baENGPromotion Persuasive communication in marketingdi Tillman and KirkpatrickHomewood (Illinois)Irwin1972Tillman,Rollie109430Kirkpatrick,Charles AtkinsonITUNINARICAUNIMARCBK9900026734704033214-6-4-TI3489ECAECAPromotion Persuasive communication in marketing430109UNINAING01