cat category_C_1,2,a.pdf.bz2.* > category_C_1,2,a.pdf.bz2
#------------
The complete PDF files of all subcategories for the paper:
@article{Li:2020ign,
author = "Li, Zhao and Wang, Yefan and Wu, Quan-feng",
title = "{Categorization of two-loop Feynman diagrams in the $\mathcal O(\alpha^2)$ correction to $e^+e^- \rightarrow ZH$}",
eprint = "2012.12513",
archivePrefix = "arXiv",
primaryClass = "hep-ph",
doi = "10.1088/1674-1137/abe84d",
journal = "Chin. Phys. C",
volume = "45",
number = "5",
pages = "053102",
year = "2021"
}