TY - JOUR AU - A. V. Kosyak TI - Irreducibility Criterion for Quasiregular Representations of the Group of Finite Upper Triangular Matrices JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2003 SP - 78 EP - 81 VL - 37 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2003_37_1_a6/ LA - ru ID - FAA_2003_37_1_a6 ER -