Galois correspondence between permutation groups and cellular rings (association schemes) I. A. FaradževA. A. IvanovM. H. Klin OriginalPaper Pages: 303 - 332
On the dimension to represent a graph by a unit distance graph Hiroshi MaeharaVojtech Rödl OriginalPaper Pages: 365 - 367
Distance-regular digraphs of girth 4 over an extension ring of Z/4Z Mieko Yamada OriginalPaper Pages: 381 - 394