Galasiewicz, Z. M. Operators of the density of condensate, super fluid phase and superfluid velocity. (English) Zbl 0381.76099 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 24, 353-358 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 76Y05 Quantum hydrodynamics and relativistic hydrodynamics 81V99 Applications of quantum theory to specific physical systems PDFBibTeX XMLCite \textit{Z. M. Galasiewicz}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 24, 353--358 (1976; Zbl 0381.76099)