Sets with convex closure which are unions of two starshaped sets and families of segments which have a 2-partition Marilyn Breen OriginalPaper Pages: 1 - 23
An inequality for strongly resolvable designs Rahul MukerjeeSanpei Kageyama OriginalPaper Pages: 24 - 28
Martin's theorem for Euclidean n-space and a generalization to the perimeter case J. A. Lester OriginalPaper Pages: 29 - 35
Tactical configurations derived from groups having a group of fixed point free automorphisms James R. ClayHelmut J. Karzel OriginalPaper Pages: 60 - 68
A new class of planar π-spaces and some related topics: (n,d)-systems and (σ,n)-spaces P. V. CeccheriniG. Tallini OriginalPaper Pages: 69 - 86
Fastalgebren mit zweiseitigem bzw. kommutativem Inzidenzgruppoid Heinz Wähling OriginalPaper Pages: 94 - 101