共 6 条
[1]
SCHOUTEN, 1924, RICCIKALKUL, P97
[2]
VEBLEN, 1927, INVARIANTS QUADRATIC, P3
[3]
1934, T ROY SOC CAN 3, V28, P168
[4]
1935, P EDIN MATH SOC, V4, P144
[5]
1935, P ROY SOC A, V149, P384
[6]
1920, ENCY MATH WISS 19, V5, P606