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Within hydrodynamic approach, we study the Bose-Einstein correlation ofidentical pions by taking into account both event-by-event fluctuating initialconditions and continuous pion emission during the whole development of the hotand dense matter formed in high-energy collisions. Considerable deviationsoccur, compared to the usual hydro calculations with smooth initial conditionsand a sudden freeze-out on a well defined hypersurface. Comparison with data atRHIC shows that, despite rather rough approximation we used here, thisdescription can give account of the $m_T$ dependence of $R_L$ and $R_s$ andimproves considerably the one for $R_o$ with respect to the usual version.Comment: 5 pages, 4 figure

Fluctuations of the Initial Conditions and the Continuous Emission in the Hydrodynamical Description of Two-Pion Interferometry