00277nam a2200121Ia 4500008004100000082001100041082001000052100001900062245002300081260001100104260003100115260000900146230118s9999||||xx |||||||||||||| ||und||  a519.72  bSHA/L  adr.v.kbsharma 0alinear programming  abombay  bhimalaya publishing house   c1989