00470naa#a2200169#i#450# EN\INFRA-M\bibl\15087 20250115203643.3 2500-0497 20161229b2016####ek#y0engy0150####ca RUS RU Seversk Land in the Grand Duchy of Lithuania Journal article Moscow INFRA-M Academic Publishing LLC. 2016 0 с. Journal article local Bagnovskaya Nela zh-szf.ru