Article PDF
Rights and permissions
About this article
Cite this article
Mathematical Periodicals for Yenching University. Nature 165, 471 (1950). https://doi.org/10.1038/165471d0
Issue Date:
DOI: https://doi.org/10.1038/165471d0
Nature volume 165, page 471 (1950)
Mathematical Periodicals for Yenching University. Nature 165, 471 (1950). https://doi.org/10.1038/165471d0
Issue Date:
DOI: https://doi.org/10.1038/165471d0