1. Day, C.: Comput. J. XIX, 360–361 (1976)
2. Stout, Q.F., Warren, B.L.: Commun. ACM 29(9), 902–908 (1986)
3. Sedgewick, R.: Algorithms in C, Parts 1–5. Addison-Wesley Professional, Boston (2001)
4. Gelashvili, K., Grdzelidze, N., Shvelidze, G.: The modification of the Sedgewick’s balancing algorithm. Bull. Georgian Acad. Sci. 10(3), 60–67 (2016)
5. Pfaff, B.: An Introduction to Binary Search Trees and Balanced Trees. Libavl Binary Search Tree Library, vo.1.1: Source Code Ver. 2.0.2 (2004)