@InProceedings{,
 author = {P. Sevastsyanau, P. Róg},
 booktitle = {Advances in Soft Computing},
 title = {Fuzzy Optimization Using Direct Crisp and Fuzzy Interval Comparison},
 pages = {317--321},
 year = {2003},
 editor = { L. Rutkowski, J. Kacprzyk},
 publisher = {Physica--Verlag}
 }