The Subvarieties of a Field
<p>Number systems which satisfy part but not all of the postulates for a field are called subvarieties of a field. The purpose of this paper is the determination of as great as possible a number of such varieties by suitable definitions of the class of elements and of the two operations i...
Internet
https://thesis.library.caltech.edu/8171/1/Worth_cr_1933.pdfWorth, Carleton Russell (1933) The Subvarieties of a Field. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/0MK5-ZQ13. https://resolver.caltech.edu/CaltechTHESIS:03262014-091535570 <https://resolver.caltech.edu/CaltechTHESIS:03262014-091535570>