The apparent shape of a relativistically moving sphere

[1]  Edward Arthur Milne,et al.  Relativity, Gravitation and World-Structure , 1935, The Mathematical Gazette.

[2]  O. Veblen Geometry of Two-Component Spinors. , 1933, Proceedings of the National Academy of Sciences of the United States of America.

[3]  William McCrea,et al.  Relativity: The Special Theory , 1957 .