Studies of methane inflow from longwall floor into the mine atmosphereAlexander Kobylkin, Sergey Kubrin, Dmitry Meshcheryakov, Evgeny Pozdeev and Iosif ZakorshmennyiE3S Web Conf., 548 (2024) 08023DOI: https://doi.org/10.1051/e3sconf/202454808023