[5] L. Nebeský:
Graph theory and linguistics. In: Applications of Graph Theory (R. J. Wilson and L. W. Beineke, eds.). Academic Press, London 1979, pp. 357-380.
MR 0567125
[6] W. T. Trotter, Jr., J. I. Moore, Jr.:
Characterization problems for graphs, partially ordered sets, lattices, and families of sets. Discrete Mathematics 16 (1976), 361 - 381.
DOI 10.1016/S0012-365X(76)80011-8 |
MR 0450140