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Information × Registration Number 0203U002127, 0100U001447 , R & D reports Title Non-linear fluctuations in quantum liquids popup.stage_title Head I. O. Vakarchuk, Registration Date 29-01-2003 Organization Ivan Franko Lviv National University. Faculty of the finance and credit popup.description2 The theory allowing for taking into account the non-linear density fluctuations effectively is built for the strongly interacting Bose-system with helium-4 as an example. The renormalization-group method combined with high-order resummation of the perturbation theory series is used to study the critical behaviour of mn-vector model. Product Description popup.authors popup.nrat_date 2020-04-02 Close