zbMATH Open
zbMATH Open (formerly Zantralblatt MATH) is produced by the European Mathematical Society (EMS), Heidelberg Academy of Sciences and Humanities and FIZ Karlsruhe.
The database contains abstracts of mathematical publications (including pure and applied mathematics, mechanics, computer sciences, systems and control theories) published since 1868, indexed in the Zentralblatt für Mathematik/Mathematic Abstracts catalog and drawn from more than 3,000 journals and book series and some 190,000 books (a total of more than 4.4 million bibliographic items with reviews or abstracts).
The chronological coverage is complete from 1868 till now.
As of January 2021, the database is available on an open access basis.