TY JOUR TI Epistolyarnyy diskurs kak khrono-akkumulyator istoricheskoy pamyati (na materialakh russkogo epistolyarnogo naslediya KhIKh v.) KW JO Bulletin of Nizhnevartovsk State University AU Sapozhnikova, N.. PY 2008 IS 0 PB Nizhnevartovsk State University