@article{10_4064_aa_22_3_249_256,
     author = {Donald Robinson},
     title = {Iteration of the modular period of a second order linear recurrent sequence},
     journal = {Acta Arithmetica},
     pages = {249--256},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {1972},
     doi = {10.4064/aa-22-3-249-256},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-22-3-249-256/}
}