@article{AL_2016_55_2_a1,
     author = {A. S. Gerasimov},
     title = {Free-variable semantic tableaux for the logic of fuzzy inequalities},
     journal = {Algebra i logika},
     pages = {156--191},
     publisher = {mathdoc},
     volume = {55},
     number = {2},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2016_55_2_a1/}
}