00487nam a22001097a 4500020002400000082001600024100001700040245006200057260005000119300003200169650017600201  a9788120346666 (pbk)  a515.35bDHA  aDharmaiah,V.  aIntroduction to theory of ordinary differential equations  aNew DehlibPHI Learning Private Limitedc2014  axi, 391 p.b: ill.c; 24 m.  aDifferential equations aMathematicsvDifferential equationsvAnalytical methodsvLinear systemsvAdjoint equationvRecent developmentvFourier seriesvPreliminariesvMath