00413nam a2200169 a 450000500170000002000180001708200160003510000190005124500470007026000320011730000230014960000080017263000250018063000260020585600060023185600060023720251203114840.0  a9788174823809  a510.76bKUM  aKumar, Alokd_  aCSIR UGC NET/JRF/SET Mathematical  Science  aAgrabUpkar Prakashanc2017  a792 p.c24 cm.bPB  bc_  aMathematical Science  aMathematical  Science  f_  a_