The following publications are possibly variants of this publication:
- Enumeration of eulerian and unicursal planar mapsValery A. Liskovets, Timothy R. S. Walsh. DM, 282(1-3):209-221, 2004. [doi]
- Enumerative Formulae for Unrooted Planar Maps: a PatternValery A. Liskovets. combinatorics, 11(1), 2004. [doi]
- Enumeration of nonisomorphic planar mapsValery A. Liskovets. jgt, 5(1):115-117, 1981. [doi]
- Some Asymptotical Estimates for Planar Eulerian MapsValery A. Liskovets. cpc, 5:131-138, 1996.
- Efficient enumeration of sensed planar mapsTimothy R. Walsh. DM, 293(1-3):263-289, 2005. [doi]