SukhorolskyiM. A. (2010). Expansion of functions in a system of polynomials biorthogonal on a closed contour with a system of functions regular at infinitely remote point. Ukrains’kyi Matematychnyi Zhurnal, 62(2), 238–254. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/2860