McMorris, F.R.; Mulder, H.M.; Powers, R.C. - Erasmus University Rotterdam, Econometric Institute - 2005
, 3000 DR Rotterdam, The Netherlands
e-mail: hmmulder@few.eur.nl
Robert C. Powers
Department of Mathematics, University of … and majorities, Discrete Math. 111 (1993)
345-356.
[9] F.R. McMorris, H.M. Mulder and R.C. Powers, The median function on … median
graphs and semilattices, Discrete Appl. Math. 101 (2000) 221 – 230.
[10] F.R. McMorris, H.M. Mulder and R.C. Powers …