@article{IVM_2017_12_a8,
     author = {D. T. Tapkin},
     title = {Isomorphisms of formal matrix incidence rings},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {84--91},
     publisher = {mathdoc},
     number = {12},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2017_12_a8/}
}