zbMATH is an abstracting and reviewing service in pure and applied mathematics. The database contains bibliographic entries with reviews or abstracts currently drawn from a variety of journals, serials and books. The coverage starts in 1826 and is complete from 1868 to the present by the integration of the “Jahrbuch über die Fortschritte der Mathematik” database. Expert reviewers from all over the world contribute reviews to zbMATH.