00575naa#a2200181#i#450# EN\INFRA-M\bibl\1508 20241015012003.2 2309-3633 20140310b2014####ek#y0engy0150####ca RUS RU Working Out Strategies for the Russian Vertically Integrated Oil Companies in the Black Sea and Mediterranean Region Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Votinov A. Afanasev Valentin Ya. naukaru.ru