@article{PDM_2019_3_a13,
     author = {V. N. Nefedov and S. O. Smerchinskaya and N. P. Yashina},
     title = {Non-contradictory aggregation of quasi-order relations},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {113--126},
     publisher = {mathdoc},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2019_3_a13/}
}