Balashchenko VV, Kunitsa VN. Invariant f-structures on the four-dimensional oscillator group. Журнал Белорусского государственного университета. Математика. Информатика [Internet]. 2025 Jun. 3 [cited 2026 Jul. 17];(1):51-7. Available from: https://journals.bsu.by/index.php/mathematics/article/view/6734