@article{IVM_1970_4_a8,
     author = {E. S. Lyapin},
     title = {Intersections of independent subsemigroups of a~semigroup},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {67--73},
     publisher = {mathdoc},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_4_a8/}
}