Brian C. Dean Michel X. Goemans Nicole Immorlica The Unsplittable Stable Marriage Problem. 65-75 2006 IFIP TCS http://dx.doi.org/10.1007/978-0-387-34735-6_9 conf/ifipTCS/2006 db/conf/ifipTCS/ifipTCS2006.html#DeanGI06