00490nam a2200169 a 450000500170000000800410001702000180005810000260007624500800010225000110018226000330019330000250022650000200025165000270027185200110029885200110030920190520020240.0080325s19uu    xx            00    eng d  a971-105-552-X10aRainville, Earl David10aElementary differential equations /cEarl D. Rainville, Phillip E. Bedient.  a7th ed0 aQuezon City :bEDCA,cc1989.  axiii, 546 p. : figs.  aIncludes index.  aDifferential equations  7OLOPSC  7OLOPSC