Silverman, J. H. (2014). A friendly introduction to number theory (Forth edition.). Pearson.
Lua i Stíl Chicago (17ú heag.)Silverman, Joseph H. A Friendly Introduction to Number Theory. Forth edition. Boston: Pearson, 2014.
Lua MLA (8ú heag.)Silverman, Joseph H. A Friendly Introduction to Number Theory. Forth edition. Pearson, 2014.
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