@article{IVM_2003_3_a8,
     author = {S. P. Toropova},
     title = {A relation between semigroups with a singularity and integrated semigroups},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {69--77},
     publisher = {mathdoc},
     number = {3},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2003_3_a8/}
}