Volume 85, Number 1, November 1990
David W. Barnette:
Generating the 4-connected and strongly 4-connected triangulations on the torus and projective plane. 1-16
Mao-cheng Cai:
The maximal size of graphs with at most k edge-disjoint paths connecting any two adjacent vertices. 43-52
Alexander V. Karzanov:
Packings of cuts realizing distances between certain vertices in a planar graph. 73-87
András Gyárfás:
A simple lower bound on edge coverings by cliques. 103-104
Mulan Liu:
Homomorphisms and automorphisms of 2-D de Bruijn-Good graphs. 105-109
Volume 85, Number 2, November 1990
Dieter Jungnickel:
On the existence of small quasimultiples of affine and projective planes of arbitrary order. 177-189
Jiang Zeng:
Un modèle symétrique pour l'identité de Al-Salam-Fields. 207-213
Volume 85, Number 3, December 1990
Z. Hasan:
Behavior of Steiner systems of M24. 257-279
John Isbell:
Sequencing certain dihedral groups. 323-328
Mark Ramras:
A new method of generating Hamiltonian cycles on the n-cube. 329-331