@article{MZM_2007_81_6_a3,
     author = {V. G. Kanovei and V. A. Lyubetskii and M. Reeken},
     title = {Reducibility of {Monadic} {Equivalence} {Relations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {842--854},
     publisher = {mathdoc},
     volume = {81},
     number = {6},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2007_81_6_a3/}
}