For citations:

Zimin V.V., Kulakov S.M., Purgina M.V., Койнов Р.С. CLASSIFICATION TASK FORMALIZATION, RECOGNITION AND COUNTERACTION OF INCIDENTS ON IT-SERVICES OPERATION STAGE. Izvestiya. Ferrous Metallurgy. 2013;56(12):34-38. (In Russ.) https://doi.org/10.17073/0368-0797-2013-12-34-38