Problems of improving pedagogical skills of future teachers of mathematics Sergey Yekimov, M.V. Klimenko, T.A. Stepchenko, Diliara Iakovets and Galina Zelenova SHS Web of Conf., 94 (2021) 02009 Published online: 12 January 2021 DOI: 10.1051/shsconf/20219402009