@article{FPM_2008_14_7_a15,
     author = {A. G. Sokolsky},
     title = {On weakly special radical of semigroups},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {185--188},
     year = {2008},
     volume = {14},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2008_14_7_a15/}
}