Mel’nikVS. Multivariational Inequalities and Operator Inclusions in Banach Spaces with Mappings of the Class $(S)_{+}$. Ukr. Mat. Zhurn. [Internet]. 2000Nov.25 [cited 2024Jul.22];52(11):1513-2. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4557