Lauks, G., and J. Jeļinskis. “Metamodelling of Queuing Systems Using Fuzzy Graphs”. Elektronika ir Elektrotechnika 92, no. 4 (April 19, 2009): 61-54. Accessed April 26, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/10246.