@article{JIS_2011__14_2_a4,
     author = {Andres, Stephan Dominique},
     title = {On multiperiodic infinite recursions and their finite core},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2011__14_2_a4/}
}