Search results for: Eckhard Steffen
Electronic Notes in Discrete Mathematics > 2015 > 49 > C > 51-55
Discrete Mathematics > 2015 > 338 > 6 > 866-867
Discrete Mathematics > 2012 > 312 > 18 > 2757-2759
Discrete Mathematics > 2010 > 310 > 3 > 385-389