@article{MZ_1994__217_1_174677,
     author = {Ke-Qin Liu},
     title = {Indecomposable representations of the {q-Deformed} {Virasoro} algebra.},
     journal = {Mathematische Zeitschrift},
     pages = {15--36},
     year = {1994},
     volume = {217},
     number = {1},
     zbl = {0812.17017},
     url = {http://geodesic.mathdoc.fr/item/MZ_1994__217_1_174677/}
}