Gryshchuk, S. V., and S. A. Plaksa. “Biharmonic Problem in an Angle and Monogenic Functions”. Ukrains’kyi Matematychnyi Zhurnal, vol. 74, no. 11, Dec. 2022, pp. 1478-91, https://doi.org/10.37863/umzh.v74i11.7292.