KIRJACKIS, Jevgenijus; MAZĖTIS, Edmundas; MELNIČENKO, Grigorijus. On the insolubility of one drawing problem II. Lietuvos matematikos rinkinys, [S. l.], v. 57, n. B, p. 89–93, 2016. DOI: 10.15388/LMR.B.2016.16. Disponível em: https://journals.vu.lt./LMR/article/view/17742. Acesso em: 19 apr. 2025.