@article{PDM_2015_1_a0,
     author = {I. B. Kozhukhov and A. R. Haliullina},
     title = {A characterization of subdirectly irreducible acts},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {5--16},
     publisher = {mathdoc},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2015_1_a0/}
}