a person in the record
Pyotr Borisov
Doctoral advisors on Wikidata: Alexander Alexandrovich Inostrantsev and Feodor Levinson-Lessing.
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-20261014T220004Z