Vynnychuk, Stepan. “Analysis Steps of the Time Complexity of Kruskal Algorithm With Sorted Scales With Work Time O(E + VLogV) for Its C- Implementation”. Information Technology and Security 1, no. 2 (December 30, 2012): 10–13. Accessed September 21, 2021. http://its.iszzi.kpi.ua/article/view/54120.