For citations:

Razumnova L.L., Lisovskaya E.G. Innovation Strategy of Raw-Materials Companies in Conditions of Uncertainty on European Market of Gas (illustrated by the company ‘Gasprom’). Vestnik of the Plekhanov Russian University of Economics. 2018;(6):199-213. (In Russ.) https://doi.org/10.21686/2413-2829-2018-6-199-213