00551naa#a2200157#i#450# EN\\bibl\63875 20240519141538.7 2078-5356 20230331b2023####ek#y0engy0150####ca RU Theoretical and legal analysis of the legal definition of the concept of “unclaimed land share” Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2023 4 с. Journal article local Rumyantsev Fyodor P. namvd.editorum.ru