Inna Pivkina Vladik Kreinovich Minimality of a solution update in conflict resolution: An application of revision programming to the von Neumann-Morgenstern approach. 939-956 2005 20 Int. J. Intell. Syst. 9 http://dx.doi.org/10.1002/int.20100 db/journals/ijis/ijis20.html#PivkinaK05