D Wehn1. Show Affiliations » 1. DEPARTMENT OF MATHEMATICS, UNIVERSITY OF CALIFORNIA, BERKELEY.
Abstract
Year: 1962 PMID: 16590946 PMCID: PMC220854 DOI: 10.1073/pnas.48.5.791
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205