On the intercepts of the OI-line - Lev Emelyanov We prove a new property of the intercepts of the line joining the circumcenter and the incenter...
A note on the Schiffler point - Lev Emelyanov and Tatiana Emelyanova LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học Geometricorum...
A Feuerbach type theorem on six circles - Lev Emelyanov According to the famous Feuerbach theorem there exists a circle which is tangent...
Euler's formula and Poncelet's porism - Lev Emelyanov and Tatiana Emelyanova It is well known that two intersecting circles O(R) and O_1(R_1) are...
A note on the Feuerbach point - Lev Emelyanov and Tatiana Emelyanova LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học Geometricorum...