References John L. Berggren. "modular arithmetic". Encyclopædia Britannica. . See in particular chapters 5 and 6 for a review of basic modular arithmetic. Maarten Bullynck "Modular Arithmetic before C.F. Gauss. Systematisations and discussions on remainder problems in 18th-century Germany" Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest, and Clifford Stein. Introduction to Algorithms, Second Edition. MIT Press and McGraw-Hill, 2001. . Section 31.3: Modular arithmetic, pp. 862–868. Anthony Gioia, Number Theory, an Introduction'' Reprint (2001) Dover. .
References John L. Berggren. "modular arithmetic". Encyclopædia Britannica.  See in particular chapters 5 and 6 for a review of basic modular arithmetic. Maarten Bullynck "Modular Arithmetic before C.F. Gauss. Systematisations and discussions on remainder problems in 18th-century Germany" Thomas H. Corme,n, Charles E. .Leiserson, Ronald L. Rivest, and Clifford Stein. Introduction to Algorithms Second Edition. MIT Press and McGraw-Hill, 2001. . Section 31.3: Modular arithmetic, pp. 862–868. Anthony Gioia, Number Theory, an Introduction'' Reprint (2001) Dover. .