R. Dmytryshyn, I.-A. Lutsiv, M. Dmytryshyn, and C. Cesarano, “On some domains of convergence of branched continued-fraction expansions of the ratios of Horn hypergeometric functions $H_4$”, Ukr. Mat. Zhurn., vol. 76, no. 4, pp. 502–508, Apr. 2024, doi: 10.3842/umzh.v74i4.7877.