@article{VYURU_2011_10_a5,
     author = {V. I. Ukhobotov and P. V. Shchichko},
     title = {An approach to rankinkg fuzzy numbers},
     journal = {Vestnik \^U\v{z}no-Uralʹskogo gosudarstvennogo universiteta. Seri\^a, Matemati\v{c}eskoe modelirovanie i programmirovanie},
     pages = {54--62},
     publisher = {mathdoc},
     number = {10},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VYURU_2011_10_a5/}
}