@article{10_4064_aa127_4_5,
     author = {Benjamin Dupuy},
     title = {A class number criterion for the
 equation $(x^p-1)/(x-1)=py^q$},
     journal = {Acta Arithmetica},
     pages = {391--401},
     publisher = {mathdoc},
     volume = {127},
     number = {4},
     year = {2007},
     doi = {10.4064/aa127-4-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa127-4-5/}
}