Dixon, L. J., & Xin, S. A two-loop four-point form factor at function level. SpringerOpen.
Chicago Style (17th ed.) CitationDixon, Lance J., and Shuo Xin. A Two-loop Four-point Form Factor at Function Level. SpringerOpen.
MLA (9th ed.) CitationDixon, Lance J., and Shuo Xin. A Two-loop Four-point Form Factor at Function Level. SpringerOpen.
Warning: These citations may not always be 100% accurate.