00346nam a22001337a 4500003000400000005001700004008004100021020001500062040000700077082001300084100003900097245005500136300002100191OSt20211004180323.0211004b        |||||||| |||| 00| 0 eng d  a0071106934  cHU  a330.0151  a Chiang, Alpha C.d       1927-;    a     Fundamental methods of mathematical economics  axix688bpcc24cm