AYDIN, Muhittin Evren, and Alper Osman OGRENMIS. “Linear Weingarten Factorable Surfaces in Isotropic Spaces”. Studia Universitatis Babeș-Bolyai Mathematica, vol. 62, no. 2, June 2017, pp. 261–268, doi:10.24193/subbmath.2017.2.11.