Bibitem:

@article{Lukasiewicz09,
 Author = {Thomas Lukasiewicz and Umberto Straccia},
 Journal = {International Journal of Approximate Reasoning},
 Number = {6},
 Pages = {837-853},
 Title = {Description Logic Programs under Probabilistic Uncertainty and Fuzzy Vagueness},
 Volume = {50},
Publisher = {Elsevier},
 Year = {2009}}