共 5 条
- [1] CARTAN E, 1938, ACTUALITES SCI IND, V643
- [2] Dirac P.A.M., 1958, PRINCIPLES QUANTUM M, V4th ed.
- [3] MODELS OF SPACE-TIME [J]. BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY, 1965, 71 (05) : 731 - &
- [5] STEIN EM, 1963, 1962 P INT C MATH ST, P414