TY JOUR TI M.M. Speransky, N.S. Mordvinov, E.F. Kankrin as representatives of Russian economic thought in the first half of the 19th century KW E.F. Kankrin KW M.M. Speransky KW N.S. Mordvinov KW classical economic school KW protectionism KW German historical school KW financial policy KW monetary reform JO AU Elistratov, A.S. PY 2020 IS 5 PB INFRA-M Academic Publishing LLC.