00417nam a2200121Ia 4500008004100000020001500041082002200056100002000078245008200098260003600180300001600216490006300232260420b        |||||||| |||| 00| 0 eng d  a3540128816  a338.5212bT843.MD  aTrockel, Walter  aMarket demendb; an analysis of large economics with non-convex preferences /  aBerlin:bSpringer-Verlag,c1984  aviii, 205p.  aLecture notes in Economics and Mathematical Systemsvv.223