00339nam a2200133Ia 4500020001800000082001700018100001900035245005600054250001300110260003500123300000900158650001600167700002200183  a9788131525760  a515.35 ZIL/D  aZill, Dennis G 0aDifferential Equations with Boundary-value problems  a8 TH ED.  bCengage Learning aDelhic2014  a549p  aEquations    aWright, Warren, S