a person in the record
Nikolay Radtsig
Doctoral advisors on Wikidata: Ivan Tsvetaev, Paul Vinogradoff, Sergey Sobolevsky, and Vladimir Guerrier.
Advisors on Wikidata
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
Wikidata run graph-wikidata-20261008T220003Z