000			00362nam a2200157Ia 4500
003			0STCL
008			150530s9999 xx 000 0 und d
040			_aSTCL _cSTCL
100			_aAyres Frank
245			_aTheory and problems of differntial equations
260			_c1952
546			_aEnglish
942			_2ddc _cBK
999			_c22977 _d22977
005			20220125165947.0