00474nam a2200157Ia 4500003000400000005001700004008004100021020001800062040000900080082001800089100002200107245009800129260006400227300000900291650001600300OSt20200730143307.0190216s9999||||xx |||||||||||||| ||und||  a9780070616097  coclc  a515.35bSIM/D  aSimmons, George F 0aDifferential Equations :bTheory,Technique And Practice /cGeorge F Simmons ; Steven G Krantz  bTata Mcgraw Hill Publishing Company Ltd,c2009.aNew Delhi:  a534p  aMathematics