BodnarD. I. and DmytryshynR. I. (2019) “Multidimensional associated fractions with independent variables and multiple power series”, Ukrains’kyi Matematychnyi Zhurnal, 71(3), pp. 325-349. Available at: http://umj.imath.kiev.ua/index.php/umj/article/view/1442 (Accessed: 25November2020).