@article{ZNSL_1995_223_a13,
     author = {A. M. Nikitin},
     title = {On {Kauffman} invariants for 6-valent graphs},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {251--262},
     publisher = {mathdoc},
     volume = {223},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1995_223_a13/}
}