00546naa#a2200181#i#450# EN\\bibl\112432 20260118074254.7 2311-1402 20201225b2020####ek#y0engy0150####ca RUS RU Economic ties between Ufa and Siberia in the late 19th and early 20th century Journal article Nizhnevartovsk Nizhnevartovsk State University 2020 7 с. Journal article local История. 93/94 RUS Rodnov M I vestnik.nvsu.ru