@other{https://resolver.caltech.edu/CaltechAUTHORS:20151207-111508765,
    title = "Problems in the Theory of Viscous Compressible Fluids",
    year = "1949",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20151207-111508765",
    id = "record"
}