00523nam a2200133Ia 4500082002000000100003100020245011900051260003100170300002800201490009600229500000500325700003200330700002700362 a519.76bB467.ON aBen Israel, Adi and Others aOptimality in nonlinear programming; a feasible directions approachbcBy Adi Ben Israel, A. Ben Tal and S. Zlobec aNew YorkbJohn Wileyc1981 axii, 144p. Index, Bibl. aPure and Applied Mathematicsv a wiley inter-science series of texts, monographs and tracts a aBen Tal, Aharon ; jt. auth. aZlobec, S. ; jt. auth.