@article{https://resolver.caltech.edu/CaltechAUTHORS:20201022-100905016,
    title = "On the theory of orders, in particular on the semigroup of ideal classes and genera of an order in an algebraic number field",
    journal = "Mathematische Annalen",
    year = "1962",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20201022-100905016",
    id = "record",
    issn = "0025-5831",
    doi = "10.1007/bf01438389",
    volume = "148"
}