共 4 条
[1]
BRIERLEY RJP, 1979, 3RD INT S DIST, V1
[2]
JOOS G, 1947, HOHERE MATH PRAKTIKE, P296
[3]
MAGNUS K, 1976, SCHWINGUNGEN, P163
[4]
PRIESTMAN GH, 1979, 3RD INT S DIST, V1