000			00353nam a2200133Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a515.35
100			_aREUTERS,G.E.H
245		0	_aElementary differential equations and operations
260			_bLondon. Routledge&kegan paul _cltd 1971
300			_aviii,67p;i
942			_cLL
999			_c31241 _d31241