00646nam a2200241 a 450000500170000002000180001708200160003510000260005124500460007725000120012326000420013530000290017750000190020660000080022563000160023363000270024985600060027685600060028296400160028899700110030499900190031595200700033420251219155957.0  a9789394107069  a515.35bSEN  aSengupta, Debasishd_  aIntroduction to differential equationsb_  a3rd ed.  aKolkatabBooks & Allied (P) Ltdc2023  aviii, 729 p.c24 cm.bPB  aIncludes index  bc_  aMathematics  aDifferential equations  f_  a_  bcdefg_  a232191  c315519d315519  00104070aPUbPUd2025-03-06g516.00l0o515.35 SENp232191yBK