000			00437nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a515.35 _bPIA-E
100			_aPiaggio, H T H
245		0	_aElementary Treatise on Differential Equations and Their Applications
260			_bG.Bell and Sons _aLondon _c1960
300			_a256p.
630			_xGeneral Stack
650			_aDifferential Equation _vMathematics _xMathematics
942			_cBOOK
999			_c25231 _d25231