00407nam a2200133 a 450000500170000000800410001702000180005804100080007608200110008410000240009524500710011926400490019030000340023920260717093335.0260717s2019    ii            000 0 eng d  a9789352535866  aeng04a518.631 aRaisinghania, M. D.10aOrdinary and partial differential equations /cRaisinghania, M. D. 1aNew Delhi :bS Chand and Company Ltd,c2019.  axxiv, Sev. P. : ill. ; 25 cm.