Савельєв, Олег Олегович, and Анатолій Іванович Шевченко. “Research Problem Statement of Links Prediction in Phone Networks Traffics”. Eastern-European Journal of Enterprise Technologies 6, no. 3(60) (December 10, 2012): 51–60. Accessed January 13, 2025. https://journals.uran.ua/eejet/article/view/5532.