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).
Martin Friesen, Barbara Rüdiger and Padmanabhan Sundar Nonlinear Differential Equations and Applications NoDEA 26(3) (2019) https://doi.org/10.1007/s00030-019-0566-6