00538cam a22001692  4500001001100000005001700011008004100028020002600069040001500095100003600110245008600146260004200232300001700274650004000291700003400331852000300365000000858820151021151115.0080428s         xx           000 0 eng d  a0070992568 :cKES 665  aKABUcKABU1 aCoddington, Earl A.@000015922010aTheory of ordinary differential equations /cEarl A. Coddington, Norman Levinson.  aNew Delhi :bTata McGraw-Hill,c1972.  axii, 429  p. 0aDifferential equations.@00001546461 aLevinson, Norman.@00001592211