中国科学院数学与系统科学研究院期刊网
AMS
Measure of Segments which Intersect a Convex Body from Rotational Formulae
Ximo GUAL-ARNAU, Silena HEROLD-GARCíA
Acta Mathematica Sinica . 2015, (2): 345 -352 .  DOI: 10.1007/s10114-015-1699-0