000			00366nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aWLOKA(J)
245			_aPartial differential equations
260			_aLondon
260			_bCambridge University Press
260			_c1987
300			_axi p. + 518
942			_cBooks
999			_c17190 _d17190