Tiron-Vorobiova N, Ivanov O. SOME ASPECTS OF THE APPLICATION OF SYSTEMS ANALYSIS IN THE STUDY OF THE MAIN QUANTUM NUMBERS OF THE LINES OF THE BALMER SERIES: COMPETENCY SKILLS IN PHYSICS IN CADETS-SEAFARERS. TD [Internet]. 20Jul.2022 [cited 20May2024];(2(13):20-8. Available from: https://journals.onmu.in.ua/index.php/journal/article/view/165