Zaevski, Tsvetelin, Ognyan Kounchev, Dean Palejev, and Eugenia Stoimenova. 2017. “SPECTRAL CLUSTERING OF MULTIDIMENSIONAL GENETIC DATA”. Ann. Sofia Univ. Fac. Math. And Inf. 104 (December):201-15. https://stipendii.uni-sofia.bg/index.php/fmi/article/view/46.