@article{IVM_2014_8_a9,
     author = {D. A. Bredikhin and A. V. Popovich},
     title = {Identities of semigroups of relations with an operator of reflexive double cylindrification},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {90--95},
     publisher = {mathdoc},
     number = {8},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2014_8_a9/}
}