![]() | ![]() |
| 1979 | ||
|---|---|---|
| 2 | David J. Pengelley, M. Jungerman: Index four orientable embeddings and case zero of the Heawood conjecture. J. Comb. Theory, Ser. B 26(2): 131-144 (1979) | |
| 1 | M. Jungerman: The nonorientable genus of the symmetric quadripartite graph. J. Comb. Theory, Ser. B 26(2): 154-158 (1979) | |
| 1 | David J. Pengelley | [2] |
Data released under the ODC-BY 1.0 license — See also our legal information page