Ioannis Caragiannis Jason A. Covey Michal Feldman Christopher M. Homan Christos Kaklamanis Nikos Karanikolas Ariel D. Procaccia Jeffrey S. Rosenschein On the approximability of Dodgson and Young elections. 31-51 2012 187 Artif. Intell. http://dx.doi.org/10.1016/j.artint.2012.04.004 db/journals/ai/ai187.html#CaragiannisCFHKKPR12