@article{10_21136_AM_1987_104253,
     author = {Bos\'ak, Miroslav and Gregor, Ji\v{r}{\'\i}},
     title = {On generalized difference equations},
     journal = {Applications of Mathematics},
     pages = {224--239},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1987},
     doi = {10.21136/AM.1987.104253},
     mrnumber = {0895880},
     zbl = {0632.39005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1987.104253/}
}