00270nam a2200097Ia 4500008004100000082001900041100001700060245004500077260003400122300001600156260901b        |||||||| |||| 00| 0 eng d  a330.1bH249.SG  aHansen, Bent  aSyrvey of general equilibrium systemsb/  aNew York:bMcGraw-Hill,c1970  axiii, 238p.