Stahl, S., The Poincare half plane a gateway to modern geometry, Jones and Barlett Publishers, Boston, p. 298 (1993).
Sönmez, N., Some Features in Connection With Triangles in Poincaré Upper Half Plane, Demonstratio Mathematica, Vol 42, (2009).
Yılgör, B. E., Euclid Geometri ve Hiperbolik geometrinin Matematik Eğitimindeki Yeri, Yüksek Lisans Tezi, Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2007.
Masal’tsev, L. A., Incidence Theorems in Spaces of Constant Curvature, Journal of Mathematical Sciences, Vol. 72, No 4 (1994).
Smart, R. James, Modern Geometries, Brooks/Cole Publishing Company, Pacific Grove, California, (1987).
⎪ln ⎛y(1 ⎝1(2x r)⎞⎞ r)⎟⎟
Year 2011,
Volume: 24 Issue: 1, 41 - 44, 14.01.2011
Stahl, S., The Poincare half plane a gateway to modern geometry, Jones and Barlett Publishers, Boston, p. 298 (1993).
Sönmez, N., Some Features in Connection With Triangles in Poincaré Upper Half Plane, Demonstratio Mathematica, Vol 42, (2009).
Yılgör, B. E., Euclid Geometri ve Hiperbolik geometrinin Matematik Eğitimindeki Yeri, Yüksek Lisans Tezi, Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2007.
Masal’tsev, L. A., Incidence Theorems in Spaces of Constant Curvature, Journal of Mathematical Sciences, Vol. 72, No 4 (1994).
Smart, R. James, Modern Geometries, Brooks/Cole Publishing Company, Pacific Grove, California, (1987).