Landjev I, Rogachev E, Rousseva A. Characterization of some minihypers in PG(4,3). Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 2022 Dec. 12 [cited 2024 Nov. 24];109:91-8. Available from: https://ftl5.uni-sofia.bg./index.php/fmi/article/view/557