Timilehin Gideon Shaba, Lakhdar Ragoub, Daniel Breaz, and Luminiţa-Ioana Cotîrlă. “Application of a Generalized Balloon-Shaped Domain on Bi-Bounded Turning Functions”. Contemporary Mathematics, vol. 6, no. 6, Nov. 2025, pp. 8285-09, doi:10.37256/cm.6620257874.