00277nam a2200109Ia 4500008004100000082002100041100002900062245002200091250000900113260003600122300000900158240913s9999||||xx |||||||||||||| ||und||  aGS    510  MAL/I  aOP Malhotra and SK Gupta 0aI BSc mathematics  aNULL  bS Chand and CoaNew Delhic1996  a630p