@article{VUU_2017_27_3_a6,
     author = {A. G. Chentsov},
     title = {Ultrafilters and maximal linked systems},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {365--388},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2017_27_3_a6/}
}