G A Hedlund1. Show Affiliations » 1. Department of Mathematics, Bryn Mawr College.
Abstract
Year: 1933 PMID: 16577522 PMCID: PMC1085977 DOI: 10.1073/pnas.19.3.345
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205