ORLOV, I. V.; TSYGANKOVA, A. V. Multidimensional Variational Functionals with Subsmooth Integrands. Eurasian Mathematical Journal, [S. l.], v. 6, n. 3, p. 54–75, 2015. Disponível em: https://emj.enu.kz/index.php/main/article/view/616. Acesso em: 31 oct. 2025.