000			00385nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aBATCHELDER(Paul M)
245			_aAn introduction to linear difference equations
260			_aCambridge
260			_bHarvard Univ Press
260			_c1927
300			_avii p. + 209
942			_cBooks
999			_c2771 _d2771