Definition of the Heat Resistance of Three-layer Ferroconcrete PanelGregory P. Vasilyev, Vitaly A. Leskov, Victor F. Gornov, Vladimir A. Lichman, Marina V. Kolesova and Alexander N. DmitrievMATEC Web of Conferences, 40 (2016) 05004DOI: https://doi.org/10.1051/matecconf/20164005004