Orlov, I. V. and Tsygankova, A. V. (2015) “Multidimensional Variational Functionals with Subsmooth Integrands”, Eurasian Mathematical Journal, 6(3), pp. 54–75. Available at: https://emj.enu.kz/index.php/main/article/view/616 (Accessed: 31 October 2025).