00566naa#a2200169#i#450# EN\\bibl\132702 20260813105508.4 2221-3260 20260630b2026####ek#y0engy0150####ca RU Economic problems and prospects for using mining for the development of the Russian economy Journal article Yaroslavl Yaroslavl State Technical University 2026 16 с. Journal article local Tebekin Alexey Vasilyevich Petrov Valery Stanislavovich theoreticaleconomy.ru