Main trends in minimum winter average monthly runoff change of rivers in the basin of Lake SevanVarduhi Margarian, Ekaterina Gaidukova, Vagif Mirzoev, Vladimir Deviatov and Natalia VictorovaE3S Web Conf., 623 (2025) 01005DOI: https://doi.org/10.1051/e3sconf/202562301005