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Condorcet's paradox for weak preference orderings
Lepelley, Dominique, (2001)
How many voters are needed for paradoxes?
Weber, James S., (2002)
Condorcet choice correspondences for weak tournaments
Subiza Martínez, Begoña, (1997)
CEPET summer workshop
Klamler, Christian, (2005)
Closure operators and metric approaches to social choice
Klamler, Christian, (2000)