共 8 条
[3]
Geffroy J., 1961, PUBL I STAT U PARIS, V10, P213
[4]
GEFFROY J, 1958, PUBL I STAT U PARIS, V8, P3
[6]
Renyi A., 1963, GEBIETE, V2, P75, DOI 10.1007/BF00535300
[7]
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[8]
[No title captured]