LE GRIGNOU, Brice. Algebraic operads up to homotopy. North-Western European Journal of Mathematics, [S. l.], n. 11, p. 19–74, 2025. Disponível em: https://nwejm.univ-lille.fr/index.php/nwejm/article/view/87.. Acesso em: 26 apr. 2025.