EL-OWAIDY H, AMMAR AA, EL-LEITHY OA. COMPETITION IN THE GRADOSTAT FOR THE CASE OF THREE VESSELS AND THREE POPULATIONS. Tamkang J. Math. [Internet]. 1990 Jun. 1 [cited 2024 Apr. 30];21(2):143-58. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4650