arXiv 2005-02-07 EN The Number of Spanning Trees in Kn-complements of Quasi-threshold Graphs Nikolopoulos, Stavros D. · Papadopoulos, Charis
arXiv 2004-04-20 EN 2-Sat Sub-Clauses and the Hypernodal Structure of the 3-Sat Problem Powell, D. B.