21017.rar

: Always scan compressed files from public repositories with antivirus software before extracting, as archives are a common vector for unintended scripts or malware. Труды ППС | Альма-матер

: It is part of the "Works of the Faculty" collection, indicating it is a formal publication or manual used for higher education. Safety and Usage Note 21017.rar

Since this is a .rar file from an external academic archive: : Always scan compressed files from public repositories