Journal of Discrete Algorithms
Journal of Discrete Algorithms > 2007 > 5 > 2 > 330-340
Journal of Discrete Algorithms > 2007 > 5 > 4 > 637-646
Journal of Discrete Algorithms > 2007 > 5 > 2 > 330-340
Journal of Discrete Algorithms > 2007 > 5 > 4 > 637-646