00560nam a2200181 a 450000500170000002000150001708200200003210000170005224500890006926000330015830000160019149000280020769000270023596400160026299700180027899900170029695200650031320251203092020.0  a0070999069  a515.35,D,ayrb_  aAyres, Frank  aSchaum's outline of theory and problems of differential equations in SI metric units  aSingaporebMcGraw-Hillc1972  a295p.c22cm  aSchaum's outline series  aDifferential equations  bcdefg_  a82150 LIBSC C  c60948d60948  00104070aPUbPUd1998-08-14l0o515.35,D,ayr _p82150yBK