@article{https://resolver.caltech.edu/CaltechAUTHORS:BELpnas47,
    title = "The problems of congruent numbers and concordant forms",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1947",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BELpnas47",
    id = "record",
    issn = "0027-8424",
    volume = "33"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:20200324-154958315,
    title = "A Detail in Kronecker's Program",
    journal = "Philosophy of Science",
    year = "1936",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20200324-154958315",
    id = "record",
    issn = "0031-8248",
    doi = "10.1086/286413",
    volume = "3"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:BELpnas30b,
    title = "Periodic recurring series",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1930",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BELpnas30b",
    id = "record",
    issn = "0027-8424",
    volume = "16"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:20200408-151234457,
    title = "A correspondence between irregular fields",
    journal = "Bulletin of the American Mathematical Society",
    year = "1930",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20200408-151234457",
    id = "record",
    issn = "0002-9904",
    doi = "10.1090/s0002-9904-1930-04961-7",
    volume = "36"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:BELpnas30a,
    title = "Simplicity with respect to certain quadratic forms",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1930",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BELpnas30a",
    id = "record",
    issn = "0027-8424",
    volume = "16"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:BELpnas28b,
    title = "Invariant sequences",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1928",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BELpnas28b",
    id = "record",
    issn = "0027-8424",
    volume = "14"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:BELpnas28a,
    title = "Remark on the number of classes of binary quadratic forms of a given negative determinant",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1928",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BELpnas28a",
    id = "record",
    issn = "0027-8424",
    volume = "14"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:BELpnas27,
    title = "On the arithmetic of abelina functions",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1927",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BELpnas27",
    id = "record",
    issn = "0027-8424",
    volume = "13"
}