@article{ZNSL_1996_235_a9,
     author = {A. A. Belov and K. D. Chaltikian},
     title = {$Q${-Deformation} of {Virasoro} algebra and lattice conformal theories},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {217--227},
     year = {1996},
     volume = {235},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1996_235_a9/}
}