TY - ELEC TI - Oleh Shamshur T2 - Chanceries Diplopedia PB - Chanceries UR - https://chanceries.org/diplopedia/people/oleh-shamshur-2c10dc7176/ N1 - Record version 1408ac99a6bc32a4 N1 - Biography research reviewed 2026-10-28 ER -