00347nam a2200133Ia 4500008004100000100001600041245006100057250001200118260003400130300000900164650001600173942000700189999001700196190216s9999||||xx |||||||||||||| ||und||  aBrenner J L 0aDifferential Equations-Problems In Diffrential Equations  a2nd Ed.  bW H Freeman And Companyc1966  a172p  aMathematics  cBK  c30820d30820