00277nam a2200097Ia 4500008004100000082002400041100001500065245005700080260002600137300001600163260423b        |||||||| |||| 00| 0 eng d  a519.720184bR263.OD  aRay, Sarit  aOn determining optimal investment in L. P. modelsb/  aCalcutta:bISI,c1969  a15p. Tables