- Victor A. Vassiliev, “Linking numbers in non-orientable 3-manifolds”, J. Knot Theory Ramifications, 25, № 12, 2016,
1642016 
- S.A. Grishanov, V.A. Vassiliev, “Fiedler type combinatorial formulas for generalized Fiedler type invariants of knots in M2×R1”, Topology and its Applications, 156, № 14, 2009,
2307