@article{10_4064_aa_84_2_145_147,
     author = {Pingzhi Yuan and Jiabao Wang},
     title = {On the diophantine equation $x^2 + b^y = c^z$},
     journal = {Acta Arithmetica},
     pages = {145--147},
     publisher = {mathdoc},
     volume = {84},
     number = {2},
     year = {1998},
     doi = {10.4064/aa-84-2-145-147},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-84-2-145-147/}
}