@article{ZNSL_1996_234_a9,
     author = {Sergei V. Matveev and Maxim V. Sokolov},
     title = {On a~simple invariant of {Turaev--Viro} type},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {137--142},
     publisher = {mathdoc},
     volume = {234},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1996_234_a9/}
}