Properties of Extended and Contracted Ideals, thesis, August 1966; (https://digital.library.unt.edu/ark:/67531/metadc130706/m1/1/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
Properties of Extended and Contracted Ideals, thesis, August 1966; (https://digital.library.unt.edu/ark:/67531/metadc130706/m1/1/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .