Shenglin Zhou, Yajie Wang. Flag-transitive Non-symmetric 2-designs with $(r, \lambda)=1$ and Alternating Socle. Electr. J. Comb., 22(2):2, 2015. [doi]
@article{ZhouW15-0, title = {Flag-transitive Non-symmetric 2-designs with $(r, \lambda)=1$ and Alternating Socle}, author = {Shenglin Zhou and Yajie Wang}, year = {2015}, url = {http://www.combinatorics.org/ojs/index.php/eljc/article/view/v22i2p6}, researchr = {https://researchr.org/publication/ZhouW15-0}, cites = {0}, citedby = {0}, journal = {Electr. J. Comb.}, volume = {22}, number = {2}, pages = {2}, }