Flag-transitive 2-designs from PSL(2, q) with block size 4

Xiaoqin Zhan, Suyun Ding, Shuyi Bai. Flag-transitive 2-designs from PSL(2, q) with block size 4. Des. Codes Cryptography, 87(11):2723-2728, 2019. [doi]

Abstract

Abstract is missing.