RYŚ, Mateusz Damian. English The principle of energy solidarity clarified: A certain way to uncertainty. Revista de Derecho Comunitario Europeo, [S. l.], n. 71, p. 149–167, 2022. DOI: 10.18042/cepc/rdce.71.06. Disponível em: https://recyt.fecyt.es/index.php/RDCE/article/view/93120. Acesso em: 6 dic. 2025.