1.
Portny E. Chapter IV. Chairmanship of the Organization for Security and Cooperation in Europe – Institutional and Historical Context . 65. в: Dulak M, ред. Poland’s Chairmanship in the Organization for Security and Co-operation in Europe in 2022: Objectives and Their Implementation in the Face of the Russian-Ukrainian War. Księgarnia Akademicka Publishing; 2025:65-87. doi:10.12797/9788383682594.05