00526nam a22001217a 4500020002400000082001600024100003800040245006700078260004100145300003300186500001900219650016600238  a9789353432782 (pbk)  a515.35bEDW  aEdwards, C. HenryaDavid E.Penney  aElementary differential equations with boundary value problems  aNoidabPearson Education, Inc.c2019  axi, 760 p.b: ill.c; 25 cm.  aInclude index.  aDifferential equations aMathematicsvBoundary value problems vLinear equations vNumerical methods vLinear systemsvPower seriesvEigenvaluesvNumericalvFBSH