Maged G. Bin-Saad, Anvar Hasanov & Mamasali Turaev. (1970). Decomposition Formulas of Kampé de Fériets Double Hypergeometric Functions.
            <i>Analysis in Theory and Applications</i>. <i>34</i> (3).
            275-292.
         doi:10.4208/ata.OA-2017-0077