中国科学院数学与系统科学研究院期刊网
Singularities of the Radon Transform of a Class of Piecewise Smooth Functions in R2
Gang-rong Qu
Acta Mathematicae Applicatae Sinica(English Series) . 2011, (2): 191 -208 .  DOI: 10.1007/s10255-011-0056-z