TY - JOUR AU - D. T. Tapkin TI - Generalized matrix rings and generalization of incidence algebras JO - Čebyševskij sbornik PY - 2015 SP - 422 EP - 449 VL - 16 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2015_16_3_a20/ LA - ru ID - CHEB_2015_16_3_a20 ER -