a person in the record
Georgy Lappo
Doctoral advisors on Wikidata: Isaak Mayergoyz, Nikolay Baransky, and Yulian G. Saushkin.
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