@article{MOMA_1987__104_178341,
     author = {Philip Feinsilver},
     title = {Discrete {Analogues} of the {Heisenberg-Weyl} {Algebra.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {89--108},
     publisher = {mathdoc},
     volume = {104},
     year = {1987},
     zbl = {0627.39003},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1987__104_178341/}
}