AyupovSh. A., and ZaitovA. A. “Functor of Weakly Additive τ-Smooth Functionals and Mappings”. Ukrains’kyi Matematychnyi Zhurnal 61, no. 9 (September 25, 2009): 1167-1173. Accessed November 23, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3089.