The formation of primary school teachers’ professional readiness for teaching Russian as a foreign language using the opportunities of cross-border educationSvetlana Belovitskaya, Tatyana Guseva, Irina Shatokhina and Elena ShcherbinaE3S Web Conf., 210 (2020) 18062DOI: https://doi.org/10.1051/e3sconf/202021018062