@article{PDM_2017_2_a0,
     author = {M. A. Vakhrameev},
     title = {Random equations over free semilattices},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {5--12},
     publisher = {mathdoc},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2017_2_a0/}
}