bibtexkey,authors,year,entry_type,address,annote,book_title,chapter,crossref,edition,editors,how_published,institution,journal,month,note,number,organization,pages,publisher,school,title,volume,publication_history,series,designation Nikol'skij1915-29264,"Nikol'skij, Mikhail V.",1915,,,,,,,,,,,,,,,,,,,,,,,"Nik 2, 126"