Kozybaev Д. and Naurazbekova А. 2022. The Novikov coalgebras. Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, computer science, mechanics series. 139, 2 (Jun. 2022), 6–11. DOI:https://doi.org/10.32523/2616-7182/bulmathenu.2022/2.1.