@techreport{Guesgen94,
author = "Hans Werner Guesgen",
address = "Berkeley, California",
institution = "International Computer Science Institute",
month = "jun",
number = "TR-94-026",
title = "{A} {F}ormal {F}ramework for {W}eak {C}onstraint {S}atisfaction                    {B}ased on {F}uzzy {S}ets",
year = "1994",
}