@article{CHEB_2015_16_3_a20,
     author = {D. T. Tapkin},
     title = {Generalized matrix rings and generalization of incidence algebras},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {422--449},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2015_16_3_a20/}
}