TY JOUR TI EVIDENTIARY MEANING OF THE EXPERT DECISION ON THE RESULTS OF EXAMINATION OF THE DOCUMENTATION ESSENTIAL ELEMENTS MARKED BY THE MODERN MATERIALS OF WRITING KW expert decision KW admissibility KW relevance KW proving KW expert competence KW justification KW reliability of the results of the examination JO Volgograd Academy of the Ministry of the Interior of Russia AU , .. AU , .. PY 2014 IS PB Volgograd Academy of the Ministry of Internal Affairs of Russia