harmonik nuqtalar va tanish config (Serbian NO) sana: 5/21/2023 harmonik nuqtalar maxsus konfiguratsiyalar mixtilinear Paskal teoremasi pole & polar tashqi-ichki aylana +
harmonik nuqtalar hosil qilgan Apollon aylanalari ortogonaldir sana: 5/19/2023 Apollon aylanasi Balkan cyclic harmonik nuqtalar PoP symmediana +
St. Petersburg 2022 dan ajoyib masala sana: 5/02/2023 Cheva teoremasi harmonik nuqtalar isogonal St.Petersburg trigonometriya +
Ichki aylanaga urinuvchi aylana (Serbia TST) sana: 4/07/2023 harmonik nuqtalar maxsus konfiguratsiyalar PoP TST urinuvchi aylanalar +