@Misc{ BiaHe26, author = { Bianchi, Fabrizio and He, Yan Mary }, title = { A Ruelle-McMullen formula for the volume dimension of skew products in $\mathbb C^2$ }, journal = { }, year = { 2026 }, pages = { }, URL = { https://gecogedi.dimai.unifi.it/paper/643/ }, note = { cvgmt preprint} }