A A Albert1. Show Affiliations » 1. Department of Mathematics, University of Chicago.
Abstract
Year: 1944 PMID： 16578117 PMCID： PMC1078675 DOI： 10.1073/pnas.30.4.90
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN： 0027-8424 Impact factor: 11.205