“…Nowadays, the variational inequality, with all its generalizations and extensions, has developed as a powerful tool for the analysis of several classes of equilibrium problems arising in different branches of applied sciences. For the state of the art about this topic, see Allevi et al (2019), Aussel (2014), Aussel and Dutta (2008), Barbagallo et al (2014), Berglund and Kwon (2014), Daniele et al (2014), Donato et al (2016), Donato et al (2018a), Donato et al (2018b, Friesz et al (2001), Hamdouch et al (2016, Jofrè et al (2007), Milasi (2013), and Scrimali (2014 and references therein.…”