Discussiones Mathematicae Graph Theory 25(1-2) (2005)
103-119
doi: 10.7151/dmgt.1265
Magdalena Kucharska
Institute of Mathematics
Technical University of Szczecin
Piastów 48/49, 70-310 Szczecin, Poland
e-mail: mkucharska@ps.pl
Keywords: kernel, (k,l)-kernel, kernel-perfect digraph.
2000 Mathematics Subject Classification: 05C20.
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Received 28 October 2003
Revised 11 May 2004