KOVALEVSKII, A. A. Averaging of integral functionals related to domains of frame-type periodic structure with thin channels. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 5, p. 616–625, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4456. Acesso em: 6 dec. 2025.