TY - JOUR AU - Shenglin Zhou AU - Xiaoqin Zhan TI - Flag-transitive automorphism groups of 2-designs with λ ≥ (r, λ)^2 and an application to symmetric designs JO - Ars Mathematica Contemporanea PY - 2018 SP - 187 EP - 195 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.1165.105/ DO - 10.26493/1855-3974.1165.105 LA - en ID - 10_26493_1855_3974_1165_105 ER -