@article{UZERU_2000_2_a8,
     author = {I. R. Simonyan},
     title = {Varieties of solid distributive semigroups},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {117--119},
     year = {2000},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2000_2_a8/}
}