000			00347nam a2200133 4500
008			160616s 000 0
245			_aPartial differential equations
100			_aSpencer, D.C.
700			_aAMS
440			_aProceedings of symposia in pure mathematics ; 00023
500			_aBp J9.
942			_cBK _2BK5909
080			_a51(083.2) AMS
999			_c5909 _d5909