@article{10_1007_s10587_014_0138_1,
     author = {Dubickas, Art\={u}ras and Novikas, Aivaras},
     title = {Linear recurrence sequences without zeros},
     journal = {Czechoslovak Mathematical Journal},
     pages = {857--865},
     publisher = {mathdoc},
     volume = {64},
     number = {3},
     year = {2014},
     doi = {10.1007/s10587-014-0138-1},
     mrnumber = {3298566},
     zbl = {06391531},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-014-0138-1/}
}