Borgen, Christopher J. (2015). „Law, Rhetoric, Strategy: Russia and Self-Determination Before and After Crimea“. International Law Studies (anglų) (International Law Studies leid.). 91 (1). ISSN2375-2831. „The recognition of Crimea by Russia was the legal fig leaf which allowed Russia to say that it did not annex Crimea from Ukraine, rather the Republic of Crimea exercised its sovereign powers in seeking a merge with Russia“
Borgen, Christopher J. (2015). „Law, Rhetoric, Strategy: Russia and Self-Determination Before and After Crimea“. International Law Studies (anglų) (International Law Studies leid.). 91 (1). ISSN2375-2831. „The recognition of Crimea by Russia was the legal fig leaf which allowed Russia to say that it did not annex Crimea from Ukraine, rather the Republic of Crimea exercised its sovereign powers in seeking a merge with Russia“
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Marxen, Christian (2014). „The Crimea Crisis – An International Law Perspective“(PDF). Zeitschrift für ausländisches öffentliches Recht und Völkerrecht (Heidelberg Journal of International Law). 74. „Organizing and holding the referendum on Crimea's accession to Russia was illegal under the Ukrainian constitution. Article 2 of the constitution establishes that "Ukraine shall be a unitary state" and that the "territory of Ukraine within its present border is indivisible and inviolable". This is confirmed in regard to Crimea by Chapter X of the constitution, which provides for the autonomous status of Crimea. Article 134 sets forth that Crimea is an "inseparable constituent part of Ukraine". The autonomous status provides Crimea with a certain set of authorities and allows, inter alia, to hold referendums. These rights are, however, limited to local matters. The constitution makes clear that alterations to the territory of Ukraine require an all-Ukrainian referendum.“
