Volume 42, Number 1, May 1986
Vito Abatangelo:
Doubly transitive (n + 2)-arcs in projective planes of even order n.
1-8
Vladimir D. Tonchev:
Quasi-symmetric 2-(31, 7, 7) designs and a revision of Hamada's conjecture.
104-110
Joseph A. Thas:
The classification of all (x, y)-transitive generalized quadrangles.
154-157
Volume 42, Number 2, July 1986
Jørn B. Olsson:
Remarks on symbols, hooks and degrees of unipotent characters.
223-238
Donald L. Kreher:
An incidence algebra for t-designs with automorphisms.
239-251
Xiaohong Wu:
Extraneous multipliers of cyclic difference sets.
259-269
David W. Barnette:
Preassigning the shape of projections of convex polytopes.
293-295
Scott Johnson:
A new proof of the Erdos-Szekeres convex k-gon result.
318-319