@periodical{UBHD-1478220, organization={Unione Matematica Italiana}, title={Bollettino della Unione Matematica Italiana}, publisher={Zanichelli}, address={Bologna}, year={1970-}, issn={0041-7084}, keywords={Mathematische Physik / Zeitschrift}, library={UB [Signatur: ZSN 1622 B]}, }