Zabolotsky , M. V. (1992) “Lower types of δ-subharmonic functions of the nonintegral order ”, Ukrains’kyi Matematychnyi Zhurnal, 44(9), pp. 1280-1284. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/8182 (Accessed: 2June2024).