00571naa#a2200157#i#450# EN\\bibl\72600 20240517030445.5 2078-5356 20231225b2023####ek#y0engy0150####ca RU Problems of the formation of the Old Russian state in the works of Alexander Magnus Fromgold von Reitz Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2023 5 с. Journal article local Volk-Leonovich Stanislav O. namvd.editorum.ru