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Roman Jakobson (1981) Poetry of grammar and grammar of poetry, The Hague-Paris-New York, Mouton.
Structuralism
What is poetry?
Roman Jakobson
pp. 740-750
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(1934) "Co je poesie?", Volné směry 30, pp.229-239.
(1976) "What is poetry?", in: Matejka Ladislav, Titunik Irwin Robert, Semiotics of art, Cambridge, Mass., MIT Press, pp.164-175.