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020			_a0070990050 _c _5.95
040			_aMAIN
041			_aEnglish
082			_a515.35 _bAYR
100			_aAyres, Frank, Ault, J. C.
245			_aTheory and problems of differential equations _bin SI metric units
260			_a1989 _bMcGraw-Hill Book _cNew york
300			_a346p.
650			_aDifferential equations
650			_aMathematical analysis
650			_aMathematics
942			_cBK
999			_c42010 _d42010