共 4 条
[1]
Hewitt E., 1943, DUKE MATH J, V10, P309, DOI [10.1215/S0012-7094-43-01029-4, DOI 10.1215/S0012-7094-43-01029-4]
[2]
POSPISIL B, 1937, SPISY VYDAVANE PRIRO, P249