| Original language | English |
|---|---|
| Pages (from-to) | 68-90 |
| Number of pages | 23 |
| Journal | Journal of Combinatorial Theory. Series B |
| Volume | 22 |
| Issue number | 1 |
| DOIs | |
| State | Published - Feb 1977 |
| Externally published | Yes |
Bibliographical note
Funding Information:* Submitted in partial fulfillment of the requirements for The Degree of Doctor of Philosophy in the Faculty of Pure Science, Columbia University, 1975; this work was supported in part by NSF Grant No. GJ 34738.
ASJC Scopus subject areas
- Theoretical Computer Science
- Discrete Mathematics and Combinatorics
- Computational Theory and Mathematics