共 8 条
[2]
HAUSDORFF F, 1906, SITZUNGSBER SACHS MP, V58, P19
[3]
LEVI F, 1933, HAMBURFER ABH, V9, P154
[4]
Magnus W, 1940, J REINE ANGEW MATH, V182, P142
[5]
Magnus W, 1937, J REINE ANGEW MATH, V177, P105
[6]
Nielsen J, 1918, MATH ANN, V78, P385
[7]
Schur I, 1927, SITZBER PREUSS AKAD, P58
[8]
Witt E, 1937, J REINE ANGEW MATH, V177, P152