Kanbay, Filiz, and Burcu Yüksekdağ. “Timelike Bonnet Surfaces in the Lorentzian 3-Space”. Ukrains’kyi Matematychnyi Zhurnal, vol. 77, no. 3, Nov. 2025, p. 232, https://doi.org/10.3842/umzh.v77i3.8383.