Substantiation of the physics of mathematical calculation of the heat-humidity regime of building envelopes in non-stationary conditionsOblokul Berdiyev, Nurmuhamat Asatov, Azizjon Abdurakhmonov, Uktam Djurayev and Bakhodir SagatovE3S Web Conf., 434 (2023) 02015DOI: https://doi.org/10.1051/e3sconf/202343402015