Kotov VE, Starkova SA, Virbitskaite IB. On Varieties of Density and Crossing Properties for Event Structures. Comput. Inform. [Internet]. 2012 Jan. 26 [cited 2024 Nov. 8];14(6):611-22. Available from: http://147.213.75.17/ojs/index.php/cai/article/view/294