@article{10_4064_aa99_4_5,
     author = {N. Saradha and T. N. Shorey},
     title = {Almost perfect powers in arithmetic progression},
     journal = {Acta Arithmetica},
     pages = {363--388},
     publisher = {mathdoc},
     volume = {99},
     number = {4},
     year = {2001},
     doi = {10.4064/aa99-4-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa99-4-5/}
}