Avakyan EZ, Avakyan SL. Description of scalar mesons as two and four quark states. Журнал Белорусского государственного университета. Физика [Internet]. 2019 Feb. 10 [cited 2026 Jul. 17];(1):72-87. Available from: https://journals.bsu.by/index.php/physics/article/view/1385