The Citing articles tool gives a list of articles citing the current article. The citing articles come from EDP Sciences database, as well as other publishers participating in CrossRef Cited-by Linking Program. You can set up your personal account to receive an email alert each time this article is cited by a new article (see the menu on the right-hand side of the abstract page).
GiRaFFE: an open-source general relativistic force-free electrodynamics code
Zachariah B Etienne, Mew-Bing Wan, Maria C Babiuc, Sean T McWilliams and Ashok Choudhary Classical and Quantum Gravity 34(21) 215001 (2017) https://doi.org/10.1088/1361-6382/aa8ab3