Shklyarsky, D. O., Chentsov, N. N., & Yaglom, I. M. (1979). Selected Problems and Theorems in Elementary Mathematics: Arithmetic and Algebra. Moscou: Mir.
Παραπομπή Chicago StyleShklyarsky, D. O., N. N. Chentsov, και I. M. Yaglom. Selected Problems and Theorems in Elementary Mathematics: Arithmetic and Algebra. Moscou: Mir, 1979.
Παραπομπή MLAShklyarsky, D. O., N. N. Chentsov, και I. M. Yaglom. Selected Problems and Theorems in Elementary Mathematics: Arithmetic and Algebra. Moscou: Mir, 1979.
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