共 13 条
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- [2] HILBERT, MATH ANN, V92, P11
- [3] LEVICIVITA, 1930, ATT LINC, V11, P1
- [4] SCHAUDER, 1935, FUND MATH, V34, P213
- [5] VONLAUE, 1920, PHYS Z, V21, P659
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- [7] 1921, GRAVIFIQUE EINSTEINI, P40
- [8] 1918, COMPT REND, V166
- [9] 1916, BER BERL AKAD WISS, P688
- [10] 1921, PHYS Z, V23, P537