%0 Journal Article %A Pingzhi Yuan %A Jiabao Wang %T On the diophantine equation $x^2 + b^y = c^z$ %J Acta Arithmetica %D 1998 %P 145-147 %V 84 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-84-2-145-147/ %R 10.4064/aa-84-2-145-147 %G fr %F 10_4064_aa_84_2_145_147