共 6 条
- [1] Bieberbach L, 1916, SITZBER K PREUSS AKA, P940
- [2] CARATHEODORY C, 1913, MATH ANN, V72, P107
- [3] FABER G, 1916, MUNCH BER, P39
- [4] FABER G, 1920, MUNCHENER SITZUNGSBE, P49
- [5] Pick G., 1917, WIEN BER, V126, P247
- [6] PICK G, 1916, BERICHTE KONIGL AKAD, P58