共 6 条
- [1] Berwald L., 1933, MATH Z, V37, P61
- [2] NAGELL T, 1931, KONGELIGE NORSKE VID, V5, P121
- [3] Perron O, 1907, J REINE ANGEW MATH, V132, P288
- [4] PERRON O, 1933, ALGEBRA, V2, P34
- [5] STLIPKA, 1941, MATH ANN, V118, P235
- [6] STLIPKA, 1936, MATH NATURWISSENSCHA, V54, P349