00353nam a22001337a 4500020001800000082001500018100001900033245004300052250001200095260003500107300003200142650002700174700001800201  a9780321747730  a515.35 NAG  aNagle, R. Kent  aFundamentals of differential equations  a8th ed.  aNew YorkbAddison Wesleyc2010  axviii, various pagese27 cm  aDifferential equations  aR. Kent Nagle