VCSP theory http://koha.app.ist.ac.at/cgi-bin/koha/opac-shelves.pl?rss=1&viewshelf=92 RSS feed for public list VCSP theory The complexity of valued constraint satisfaction problems by Živný, Stanislav http://koha.app.ist.ac.at/cgi-bin/koha/opac-detail.pl?biblionumber=15131