TY  - JOUR
AU  - N. V. Poletaeva
AU  - N. S. Kolotova
TI  - The all-russian classifiers are an important tool for describing and modeling types of economic activity
JO  - Journal of computational and engineering mathematics
PY  - 2023
SP  - 51
EP  - 59
VL  - 10
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCEM_2023_10_4_a3/
LA  - en
ID  - JCEM_2023_10_4_a3
ER  -