Send the following on WhatsApp
Continue to Chatq-Riordan representation - https://avesis.gazi.edu.tr/yayin/ad64f12e-9eb4-4ba0-a10a-ed6d1bc566a3/q-riordan-representation
q-Riordan representation - https://avesis.gazi.edu.tr/yayin/ad64f12e-9eb4-4ba0-a10a-ed6d1bc566a3/q-riordan-representation