Dursun, U. and Turgay, N.C. (2019) “Space-like surfaces in Minkowski space $E^4_1$ with pointwise 1-type Gauss map”, Ukrains’kyi Matematychnyi Zhurnal, 71(1), pp. 59–72. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1419 (Accessed: 6 December 2025).