Anders Dessmark Pierre Fraigniaud Dariusz R. Kowalski Andrzej Pelc Deterministic Rendezvous in Graphs. 69-96 2006 46 Algorithmica 1 http://dx.doi.org/10.1007/s00453-006-0074-2 db/journals/algorithmica/algorithmica46.html#DessmarkFKP06