共 11 条
[2]
GOLUZIN GM, 1961, AM MATH SOC TRANSL, V18, P1
[3]
Hummel J.A., 1958, P AM MATH SOC, V9, P82
[4]
KIRWAN WE, 1966, P AM MATH SOC, V17, P1028
[6]
MacGregor T. H., 1963, P AM MATH SOC, V14, P71
[7]
MARX A., 1932, MATH ANN, V107, P40