Zorii, N. V. (2005) “Necessary and Sufficient Conditions for the Solvability of the Gauss Variational Problem”, Ukrains’kyi Matematychnyi Zhurnal, 57(1), pp. 60–83. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3574 (Accessed: 28April2024).