TY  - JOUR
AU  - A. E. Trubacheva
TI  - On Optimality of the Flat Proportional Tax Rate in a~Two-Level Economic System
JO  - Sibirskij žurnal industrialʹnoj matematiki
PY  - 2009
SP  - 137
EP  - 151
VL  - 12
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SJIM_2009_12_4_a12/
LA  - ru
ID  - SJIM_2009_12_4_a12
ER  -