Литвиненко, О.Є., Г.С. Краліна, and О.П Стьопушкіна. “The Mathematical Model of the Task of Compiling the Time-Table”. Proceedings of National Aviation University 19, no. 1 (January 1, 2004): 180–186. Accessed May 7, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/992.