M. Di Marco, A. Pinamonti, D. Vittone, K. Zambanini: Stepanov Differentiability Theorem for intrinsic graphs in Heisenberg groups (Preprint) 2024 M. Di Marco, A. Julia, S. Nicolussi Golo, D. Vittone: Submanifolds with boundary and Stokes' Theorem in Heisenberg groups Transactions of the American Mathematical Society (Accepted Paper) 2024