A D Michal1. Show Affiliations » 1. Department of Mathematics, California Institute of Technology.
Abstract
Year: 1930 PMID: 16587543 PMCID: PMC1075962 DOI: 10.1073/pnas.16.2.165
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205