Jaroslav Barta Olga Stepánková Michal Pechoucek Distributed Branch and Bound Algorithm in Coalition Planning. 159-168 2001 conf/masa/2001 Multi-Agent-Systems and Applications http://link.springer.de/link/service/series/0558/bibs/2322/23220159.htm db/conf/masa/masa2001.html#BartaSP01