ПЛИСКА. Български математически студии. Vol. 27 : Proceedings of the XVII Intermational Summer Conference on Probability and Statistics, Seminar on Statistical Data Analysis, Workshop on Branching Processes and Applications, 25 June - 1 Jule, 2016, Pomorie, Bulgaria / ed. L. Iliev, 2017. - 130 p. - Текст : непосредственный.
ПЛИСКА. Български математически студии. Vol. 28 : This issue is published on the occasion of 120 years from the birth of Nikola Obreshkoff, the 70-th anniversary of the Institute of Mathematics and Informatics of Bulgarian Academy of Sciences and 310 years from the birth of Leonard Euler / ed. L. Iliev, 2017. - 132 p. - Текст : непосредственный.