○Hyperbolic Triangle Centers: The Special Relativistic Approach (Fundamental Theories of Physics) h33(管理番号) - 数学
○Hyperbolic Triangle Centers: The Special Relativistic Approach (Fundamental Theories of Physics) h33(管理番号) - 数学,Ptolemy’s Theorem in the Relativistic Model of Analytic Hyperbolic Geometry,File:Hyperbolic triangle.svg - Wikipedia,⊕ = ⊕ M. A hyperbolic triangle ∆abc in the Möbius gyrovector plane D = | Download Scientific Diagram,History of Topics in Special Relativity/Lorentz transformation (hyperbolic) - Wikiversity