000			00354nam a2200109Ia 4500
008			220816s9999||||xx |||||||||||||| ||und||
020			_a0521205832 : | 0521098939
245		0	_aPartial differential equations _cCopson, E. T.
260			_aCambridge ; | New York : _bCambridge University Press, _c1977
300			_avii, 280 p. ; _c24 cm.
500			_aIncludes index.
999			_c353 _d353