%0 Journal Article %A Nobuhiro Terai %T The Diophantine equation $x^2 + q^m =p^n$ %J Acta Arithmetica %D 1993 %P 351-358 %V 63 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-63-4-351-358/ %R 10.4064/aa-63-4-351-358 %G fr %F 10_4064_aa_63_4_351_358