共 7 条
[1]
Eisenhart L. P., 1927, NONRIEMANNIAN GEOMET, VVIII
[5]
KIJOWSKI J, 1979, LECTURE NOTES PHYSIC, V107
[6]
SCHOUTEN JA, 1954, RICCI CALCULUS
[7]
SCHRODINGER E, 1947, P R IRISH ACAD, V51, P163