TY JOUR TI PRACTICAL APPROACHES TO IMPLEMENTING EXISTING TOOLS TO ENSURE CONTINUITY IN RUSSIA’S CROSS-BORDER TRANSACTIONS KW cross-border transactions KW sanctions KW decentralized multi-channel model KW financial fragmentation KW parallel imports KW national payment system KW cross-border payments KW payment intermediaries KW dedollarization KW economic risks KW personal risks KW financial stability JO Russian Journal of Management AU Shangaraev, R.N. AU Factorov, A.K. PY 2026 IS 14 PB Publishing Center RIOR