00353nam a2200121Ia 4500020001800000082001700018100001400035245006600049260004800115300000900163650002700172700003200199  a9780521670456  a515.35 KIN/D  aKing, A.C 0aDifferential equations : linear, nonlinear, ordinary, partial  bCambridge University PressaCambridgec2018  a541p  aDifferential Equations  aBillingham, J | Otto, S. R.