Komarov Dmitrii Dmitrievich Russia Saratov State University 1, Saratov State University, Russia, 410012, Saratov, Astrahanskaya st., 83 graduate studentkomarovdd@gmail.comPhone: +7 (8452) 21 - 36 - 19 Author's articles Minimal Edge Extensions of Palm Trees Minimal vertex 1-extensions of palm trees
