@article{TIMM_2010_16_3_a21,
     author = {E. A. Neganova and V. I. Trofimov},
     title = {On symmetrical $q$-extensions of the 2-dimensional grid},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {199--209},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2010_16_3_a21/}
}