Kim I-S, Väth M. A degree theory for variational inequalities with sums of maximal monotone and (S$_+$) operators. TMNA [Internet]. 2016 Jun. 1 [cited 2024 Apr. 25];47(2):405-22. Available from: https://apcz.umk.pl/TMNA/article/view/TMNA.2016.022