Nikolov G, Petrova B. On the regularity of certain three-row almost Hermitian incidence matrices. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 2020 Dec. 12 [cited 2024 May 6];107:131-7. Available from: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/108