S. KH. KHOLIKOV. Formulas for a Cyclic Quadrilateral. Quest: Journal of Geometry, Mathematical and Quantum Physics, [S. l.], v. 3, n. 1, p. 1–6, 2026. DOI: 10.51699/quest.v3i1.268. Disponível em: https://eminentpublishing.us/index.php/quest/article/view/268. Acesso em: 6 nov. 2026.