Lopotko, O., & Лопотко, О. (2026). Even positive-definite hyperbolically convex functions in a Hilbert space. Representations of Hilbert spaces by self-adjoint operators. Institute of Mathematics, NAS of Ukraine. https://doi.org/10.3842/umzh.v78i5-6.8379
Чикаго стиль цитування (17-те видання)Lopotko, O., та Олег Лопотко. Even Positive-definite Hyperbolically Convex Functions in a Hilbert Space. Representations of Hilbert Spaces by Self-adjoint Operators. Institute of Mathematics, NAS of Ukraine, 2026. https://doi.org/10.3842/umzh.v78i5-6.8379.
Стиль цитування MLA (8-ме видання)Lopotko, O., та Олег Лопотко. Even Positive-definite Hyperbolically Convex Functions in a Hilbert Space. Representations of Hilbert Spaces by Self-adjoint Operators. Institute of Mathematics, NAS of Ukraine, 2026. https://doi.org/10.3842/umzh.v78i5-6.8379.