a person in the record
Aleksandr Udaltsov
Doctoral advisors on Wikidata: Dmitry Petrushevsky, Paul Vinogradoff, and Robert Wipper.
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-20261008T172418Z