El-Dahshan EA, El-Bakry SY. EMPIRICAL EQUATION USING GMDH METHODOLOGY FOR THE CHARGED PARTICLES MULTIPLICITY DISTRIBUTION IN HADRONIC POSITRON-ELECTRON ANNIHILATION. East Eur. J. Phys. [інтернет]. 20, Жовтень 2017 [цит. за 05, Грудень 2025];4(3):18-5. доступний у: https://periodicals.karazin.ua/eejp/article/view/9418