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).
Jean-François Claeskens, Dominique Sluse and Jean Surdej Astrophysics and Space Science Proceedings, The Impact of HST on European Astronomy 191 (2010) https://doi.org/10.1007/978-90-481-3400-7_34
Close separation triple system QSO 1009-0252 with discordant redshifts: Is the spectrum of one component blueshifted?
LBQS 0015+0239: A Binary Quasar with Small Angular Separation
Chris D. Impey, Cathy E. Petry, Craig B. Foltz, Paul C. Hewett and Frederic H. Chaffee The Astrophysical Journal 574(2) 623 (2002) https://doi.org/10.1086/341064