1. R. Petrov, L. Raineri, K. Ivashchenko-Stadnik, “Responding to Hybridity in an Unstable Neighborhood: The Efficiency of the EU State-centric Approach to the Crisis in Libya and Ukraine”, (6) Kyiv-Mohyla Law and Politics Journal (2020) 1-25.
  2. R. Petrov, G. Gabrichidze, P. Kalinichenko, “Constitutional Orders of Non-Recognised Entities in Georgia and Ukraine. Can façade Constitutions Ensure Adequate Protection of Human Rights?”, 45(1) Review of Central and East European Law (Brill, Nijhoff) (2020) 92-125.
  3. R. Petrov, “EU-Ukraine Association Agreement’s effective implementation into the legal order of Ukraine. Challenges and Successes”, 6 European Studies (The Review of European Law, Economics and Politics) (2019) 155-174.
  4. R. Petrov, P. Kalinichenko, M. Karliuk, “International Law in Russia, Ukraine and Belarus: Modern Integration Projects”, 7(3) Russian Law Journal (2019) 107-133.
  5. R. Petrov, “EU Common Values in the EU-Ukraine Association Agreement: Archor to Democracy?”, 8(1) Baltic Journal of European Studies (2018) 49-62.
  6. R. Petrov, “The Impact of the -Ukraine Association Agreement on Constitutional Reform and Judicial Activism in Ukraine”, 43(2) Review of Central and East European Law (2018) 99-115.R. Petrov, ‘The Constitutional Order of Ukraine and its Adaptability to the EU-Ukraine Association Agreement’, in: R. Petrov, P. Van Elsuwege (eds.) Post-Soviet Constitutions and Challenges of Regional Integration (Routledge Press, 2017), pp. 91-104.
  7. R. Petrov, Legal perspectives on the study of the European Neighbourhood Policy’ co-authored with Peter Van Elsuwege in Tobias Schumacher, Andreas Marchetti, Thomas Demmelhuber (eds.) The Routledge Handbook on the European Neighbourhood Policy (Routledge Press, 2017), 105-115.
  8. R. Petrov, ‘Human Rights in Association Agreements with Ukraine, Moldova and Georgia’ in S. Lorenzmeier, V. Sancin (eds.) Contemporary Issues of Human Rights Protection in International and National Settings, (NOMOS, Baden-Baden, 2017), 209-228.
  9. R. Petrov, ‘Verfassungsrechtliche Fragen hinsichtlich der Umsetzung der Assoziierungskommen zwischen der EU und der Ukraine, Moldawien und Georgien’, in S. Lorenzmeier, H. Folz (eds.) Recht und Realität, (NOMOS, Baden-Baden, 2017), 361-377.
  10. R. Petrov, B. Bernatskyi, “Response to COVID-19 in Ukraine: Legal Pragmatism or Constitutional Outbreak?”, Verfassungsblog, 27 April 2020.
  11. R. Petrov, “Peculiarities of a transposition of “an acquis” of the EU in the legal system of Ukraine: energy and customs sectors” 2 Lex Portus (2020) 42-57.

Edited Books:

  1. In co-authorship with S. Lorenzmeier and C. Vedder, “EU External Relations Law: Shared Competences and Shared Values in Agreements Between the EU and Its Eastern Neighbourhood” (Springer , Heidelberg, 2021), forthcoming.

Chapters in Edited Books and Edited Volumes:

  1. ‘The Impact of the ECJ on the Legal System of Ukraine’, in A. Reich, Hans-W. Micklitz (eds.) The Impact of the European Court of Justice on Neighbouring Countries, (OUP, Oxford, 2020), 173-198.
  2. ‘Die Östliche Partnerschaft als besondere Ausprägung der Europäischen Nachbarschaftspolitik’, co-authored with D. Braun in A. Hatje, P.C. Müller-Graff (eds.) Enzyklopädie des Europarechts, (NOMOS, Baden-Baden, 2ed, 2020), 1143 – 1174.
  3. ‘The EU Ukraine Association Agreement and EU Common Values: One or Two Ways Dialogue?’, in: E. Latoszek, A. Maslon-Oracz, P. Stolarczyk, A. Szcerba-Zawada (eds.) Reshaping the European Union internally and externally – a new Matrix? (ELIPSA, Warsaw, 2019), pp. 87-100.