РЎР»СЋСЃР°СЂС‡СѓРє Р’. РќР•РћР‘РҐIР”РќI I Р”РћРЎРўРђРўРќI РЈРњРћР’Р РћР”РќРћРЎРўРђР™РќРћР‡ РћР‘РћР РћРўРќРћРЎРўI РќР•Р›IРќIР™РќРРҐ РћРџР•Р РђРўРћР IР’ <math xmlns="http://www.w3.org/1998/Math/MathML"><mo>(</mo><msub><mi class="MJX-tex-caligraphic" mathvariant="script">R</mi><mi>k</mi></msub><mi>x</mi><mo>)</mo><mo>(</mo><mi>n</mi><mo>)</mo><mo>=</mo><mi>x</mi><mo>(</mo><mi>n</mi><mo>+</mo><mn>1</mn><mo>)</mo><mo>+</mo><mo>(</mo><mo>−</mo><mn>1</mn><msup><mo>)</mo><mi>k</mi></msup><mi>f</mi><mo>(</mo><mi>x</mi><mo>(</mo><mi>n</mi><mo>)</mo><mo>)</mo><mo>,</mo><mo> </mo><mi>n</mi><mo>∈</mo><mi mathvariant="normal">ℤ</mi><mo>,</mo><mo> </mo><mi>k</mi><mo>=</mo><mover><mrow><mn>1</mn><mo>,</mo><mn>2</mn></mrow><mo>¯</mo></mover></math>, РЈ РџР РћРЎРўРћР I РћР‘РњР•Р–Р•РќРРҐ РџРћРЎР›IР”РћР’РќРћРЎРўР•Р™. BMJ [С–РЅС‚РµСЂРЅРµС‚]. 17РЎС–С‡2018 [cited 9РљРІС–С‚2025];(269). Available from: https://bmj.fmi.org.ua/index.php/adm/article/view/492