@article{10_21136_AM_1983_104034,
     author = {Zaballa, Ion and Gracia, Juan M.},
     title = {On difference linear periodic systems. {I.} {Homogeneous} case},
     journal = {Applications of Mathematics},
     pages = {241--248},
     publisher = {mathdoc},
     volume = {28},
     number = {4},
     year = {1983},
     doi = {10.21136/AM.1983.104034},
     mrnumber = {0710173},
     zbl = {0529.39003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1983.104034/}
}