@PhdThesis{LORIA-1995-Bec-PhD,
 author       = {Denis B\'echet},
 school       = {Universit\'e Paris 7 -- Denis Diderot, Paris, France},
 title        = {Les valeurs alternatives et la notion d'\'ev\'enement
                 dans l'\'evaluation partielle},
 month        = oct,
 year         = 1995
}