@Article{,
 author = {P. Sevastsyanau, P. Róg},
 title = {A Probability Approach to Fuzzy and Crisp Intervals Ordering},
 journal = {TASK Quarterly},
 year = {2003},
 volume = {7},
 pages = {142--158},
 note = {Special Issue -- Artifical and Computational Intelligence}
 }