1. Introduction to Algorithms;Cormen,2001
2. Disquisitiones Arithmeticae;Gauss,1965
3. Representations of Integers as Sums of Squares;Grosswald,1985
4. The general counterfeit coin problem;Halbeisen;Discrete Mathematics,1995
5. Baron Münchhausen redeems himself: Bounds for a coin-weighing puzzle;Khovanova;The Electronic Journal of Combinatorics,2011