共 13 条
[11]
MULLER PH, 1959, MATH Z, V70, P381
[12]
Saphar P., 1964, B SOC MATH FR, V92, P363, DOI DOI 10.24033/BSMF.1612
[13]
Szokefalvi-Nagy B., 1951, ACTA SCI MATH, V14, P125