00273nam a2200109Ia 450000500170000000800410001702000180005808200180007624500390009426000210013330000090015420260205063302.0260111s9999||||xx |||||||||||||| ||und||  a9788174823809  a510.76  Al71C 0aCSIR-UGC NET Mathematical Sciences  aAgrabUpkar Pub.  aV.P.