000			00418nam a2200157Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a201031620
041			_aen
082			_a515.35
100			_aDERRICK, William R.
245		0	_aElementary Differential Euations With Applications
250			_a2nd Ed
260			_aLondon. _bAddison-Wesley Publidhing Com _cpany. 1981
300			_axii, 532p.
942			_cLL
999			_c1883 _d1883