@article{10_4064_cm_80_1_1_22,
     author = {Mikl\'os Laczkovich},
     title = {Operators commuting with translations, and systems of difference equations},
     journal = {Colloquium Mathematicum},
     pages = {1--22},
     publisher = {mathdoc},
     volume = {80},
     number = {1},
     year = {1999},
     doi = {10.4064/cm-80-1-1-22},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-80-1-1-22/}
}