Xia Z-J, Lee J-H, Koolen JH. A New Feasibility Condition for the AT4 Family. Electron. J. Combin. [Internet]. 2023Apr.7 [cited 2026Mar.29];30(2):P2.7. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v30i2p7