Volume 82, Number 1, May 1990
Volume 82, Number 2, June 1990
Volume 82, Number 3, June 1990
Last update Tue May 21 18:47:58 2013
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- Izak Broere, Marietjie Frick:
On the order of uniquely (k, m)-colourable graphs.
- Jurek Czyzowicz, Andrzej Pelc, Ivan Rival:
Drawing orders with few slopes.
- David C. Fisher, Anita E. Solow:
- Mark D. Halsey:
Extensions of line-closed combinatorial geometries.
- Hans Kurzweil:
A combinatorial technique for simplicial complexes and some applications to finite groups.
- Gaetano Quattrocchi:
On the intersection of two S(3, 4, 2upsilon) having a same derived triple system.
- Edward R. Scheinerman:
An evolution of interval graphs.
- Lewis E. Varga:
Geometric matrices and an inequality for (0, 1)-matrices.
- Frans C. Bussemaker, Vladimir D. Tonchev:
Extremal doubly-even codes of length 40 derived from Hadamard matrices of order 20.
- Yair Caro, Yehuda Roditty:
A note on packing trees into complete bipartite graphs and on fishburn's conjecture.
- Gena Hahn, Bill Jackson:
A note concerning paths and independence number in digraphs.
- Iwao Sato:
Enumeration of packed graphs.