@article{KYB_1976_12_1_a0,
     author = {Prouza, Ludv{\'\i}k},
     title = {On the weight matrices of linear difference equations},
     journal = {Kybernetika},
     pages = {1--6},
     year = {1976},
     volume = {12},
     number = {1},
     mrnumber = {0399686},
     zbl = {0333.93033},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1976_12_1_a0/}
}