Refined weight of edges in normal plane maps. - Tsyndyma Chimit-Dordjievna Batueva; Oleg V. Borodin; Mikhail A. Bykov; Anna O. Ivanova; Olesy N. Kazak; D. V. Nikiforov (Discret. Math., 2017)

Low minor 5-stars in 3-polytopes with minimum degree 5 and no 6-vertices. - Oleg V. Borodin; Anna O. Ivanova; D. V. Nikiforov (Discret. Math., 2017)