@article{JCEM_2023_10_4_a3,
     author = {N. V. Poletaeva and N. S. Kolotova},
     title = {The all-russian classifiers are an important tool for describing and modeling types of economic activity},
     journal = {Journal of computational and engineering mathematics},
     pages = {51--59},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JCEM_2023_10_4_a3/}
}