@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", }