@article{JIS_2000__3_2_a4,
     author = {Dubner, Harvey and Granlund, Torbj\"orn},
     title = {Primes of the form $(b^n+1)/(b+1)$},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2000__3_2_a4/}
}