00530naa#a2200157#i#450# EN\\bibl\93255 20250409013439.3 1998-6785 20250108b2025####ek#y0engy0150####ca RU Land relations among the Cossack estate of the Yakut region in the second half of the XIX – early XX centuries Journal article Vladivostok Vladivostok State University 2025 11 с. Journal article local Chertkov Alexei Sergeevich ojkum.editorum.ru