00312nam a2200097Ia 4500008004100000082002100041100002100062245008300083260004200166300000600208260901b        |||||||| |||| 00| 0 eng d  a330.183bN384.WE  aNegishi, Takashi  aWelfare economics and existence of an equilibrium for a competitive economyb/  aStanford:bStanford University,c1958  a