About HORSKY J
About Purkyne Univ. Brno, CSSR
About NOVOTNY J
About Purkyne Univ. Brno, CSSR
About Czechoslovak Journal of Physics. Section B
About Einstein gravitational field equation
About planar symmetry
About General theory of relativity and theory of gravity
About 真空
About Einstein方程式
About 解
About 球面
About 類似性