Critical graphs, matchings and tours or a hierarchy of relaxations for the travelling salesman problem G. CornuéjolsW. R. Pulleyblank OriginalPaper Pages: 35 - 52
More results on Ramsey—Turán type problems P. ErdősA. HajnalE. Szemerédi OriginalPaper Pages: 69 - 81
On a class of degenerate extremal graph problems Ralph J. FaudreeMiklós Simonovits OriginalPaper Pages: 83 - 93
Partition of graphs with condition on the connectivity and minimum degree Péter Hajnal OriginalPaper Pages: 95 - 99
Largest digraphs contained in alln-tournaments N. LinialM. SaksVera T. Sós OriginalPaper Pages: 101 - 104
On periodical behaviour in societies with symmetric influences Svatopluk PoljakMiroslav Sůra OriginalPaper Pages: 119 - 121