B O Koopman1. Show Affiliations » 1. Department of Mathematics, Columbia University.
Abstract
Year: 1931 PMID: 16577368 PMCID: PMC1076052 DOI: 10.1073/pnas.17.5.315
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205