The flag-transitive symmetric designs with 45 points, blocks of size 12, and 3 blocks on every point pair

Cheryl E. Praeger. The flag-transitive symmetric designs with 45 points, blocks of size 12, and 3 blocks on every point pair. Des. Codes Cryptography, 44(1-3):115-132, 2007. [doi]

Abstract

Abstract is missing.