@book {CaltechAUTHORS_https://authors.library.caltech.edu/id/eprint/88584,
    title ="New Horizons in Geometry",
    author = "Apostol, Tom M. and Mnatsakanian, Mamikon A.",
    
    
    number = "47",
    
    month = "January",
    year = "2012",
    doi = "https://doi.org/10.5948/9781614442103",
    isbn = "978-0-88385-354-2",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20180806-084325861",
}
@book {CaltechAUTHORS_https://authors.library.caltech.edu/id/eprint/89319,
    title ="Introduction to Analytic Number Theory",
    author = "Apostol, Tom M.",
    
    
    
    
    month = "January",
    year = "1976",
    
    isbn = "978-1-4419-2805-4",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20180830-110319940",
}
@book {CaltechAUTHORS_https://authors.library.caltech.edu/id/eprint/89320,
    title ="Modular Functions and Dirichlet Series in Number Theory",
    author = "Apostol, Tom M.",
    
    volume = "41",
    
    
    month = "January",
    year = "1976",
    
    isbn = "978-1-4684-9912-4",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20180830-110908708",
}