Hamilton Circuits in Graphs and Directed Graphs - Howard Kleiman (CoRR, 2000)

The Floyd-Warshall Algorithm, the AP and the TSP - Howard Kleiman (CoRR, 2001)

The Floyd-Warshall Algorithm, the AP and the TSP, Part II - Howard Kleiman (CoRR, 2001)

The Symmetric Traveling Salesman Problem - Howard Kleiman (CoRR, 2005)

The General Traveling Salesman Problem - Howard Kleiman (CoRR, 2011)