@article{10_4064_ap_3_1_1_4,
     author = {R. Hampel},
     title = {On the solution in natural numbers of the equation $x^m - y^n = 1$},
     journal = {Annales Polonici Mathematici},
     pages = {1--4},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1956},
     doi = {10.4064/ap-3-1-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-3-1-1-4/}
}