If IMSLP fails you, libraries are the answer. Search WorldCat for "Vasilenko Concerto for Trumpet Op. 113." Many university music libraries hold physical copies of the Soviet-era full score. You can request a scan through interlibrary loan or a digital delivery service.
While his early style was deeply influenced by Russian folklore and French Impressionism, his later works adapted to the aesthetic demands of the Soviet era. He became highly regarded for his exceptional orchestration skills and his ability to write idiomatically for wind instruments. The Trumpet Concerto, written towards the end of his life in 1950, represents the pinnacle of his wind writing. Structural and Musical Analysis vasilenko trumpet concerto pdf full
Sergei Vasilenko passed away in 1956. In countries with a copyright term of "Life + 50 years" or "Life + 70 years" (with specific transition rules), his works have entered or are entering the public domain. If IMSLP fails you, libraries are the answer