@article{10_21136_MB_2007_134189,
     author = {Carlip, Walter and Somer, Lawrence},
     title = {Bounds for frequencies of residues of second-order recurrences modulo $p^r$},
     journal = {Mathematica Bohemica},
     pages = {137--175},
     publisher = {mathdoc},
     volume = {132},
     number = {2},
     year = {2007},
     doi = {10.21136/MB.2007.134189},
     mrnumber = {2338803},
     zbl = {1174.11014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2007.134189/}
}