Uranium-Lead Age According to Zircon of Syenites of the Velykovyska Massif (Korsun-Novomyrhorod Pluton) - L. M. Stepanyuk; O. M. Ponomarenko; O. B. Vysotsky; T. I. Dovbush; E. E. Grechanovskaya (Mineralogical journal, 2024)