%0 Journal Article %A Yann Bugeaud %T On the diophantine equation $x^2 - p^m = ±y^n$ %J Acta Arithmetica %D 1997 %P 213-223 %V 80 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-80-3-213-223/ %R 10.4064/aa-80-3-213-223 %G fr %F 10_4064_aa_80_3_213_223