For citations:

Naugolnov M.V., Gabitova S.I., Murtazin R.I., Klimov V.Yu., Grishko F.V., Edelman I.Ya. Evaluation and classification of proved and undeveloped OOIP by reservoir complexity index (in case of Salym brown oil fields). PROneft. Professionally about Oil. 2020;(1):42-46. (In Russ.) https://doi.org/10.24887/2587-7399-2020-1-42-46