@article{10_4064_aa_53_5_499_504,
     author = {T. Shorey and R. Tijdeman},
     title = {On the greatest prime factor of an arithmetical progression. {II}},
     journal = {Acta Arithmetica},
     pages = {499--504},
     publisher = {mathdoc},
     volume = {53},
     number = {5},
     year = {1989},
     doi = {10.4064/aa-53-5-499-504},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-53-5-499-504/}
}