@article{10_4064_aa110_2_1,
     author = {Pedro Berrizbeitia and T. G. Berry and Juan Tena-Ayuso},
     title = {A generalization of {Proth's} theorem},
     journal = {Acta Arithmetica},
     pages = {107--115},
     publisher = {mathdoc},
     volume = {110},
     number = {2},
     year = {2003},
     doi = {10.4064/aa110-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa110-2-1/}
}