Elsken, Thomas, and Martino Prizzi. “Characterization of the Limit of Some Higher Dimensional Thin Domain Problems”. Topological Methods in Nonlinear Analysis 20, no. 1 (September 1, 2002): 151–178. Accessed July 22, 2024. https://apcz.umk.pl/TMNA/article/view/TMNA.2002.031.