Jirí Fiala, Petr A. Golovach, Jan Kratochvíl. Computational Complexity of the Distance Constrained Labeling Problem for Trees (Extended Abstract). In Luca Aceto, Ivan Damgård, Leslie Ann Goldberg, Magnús M. Halldórsson, Anna Ingólfsdóttir, Igor Walukiewicz, editors, Automata, Languages and Programming, 35th International Colloquium, ICALP 2008, Reykjavik, Iceland, July 7-11, 2008, Proceedings, Part I: Tack A: Algorithms, Automata, Complexity, and Games. Volume 5125 of Lecture Notes in Computer Science, pages 294-305, Springer, 2008. [doi]
Abstract is missing.