MR2181389 Marchand, Fabien; Lemarié-Rieusset, Pierre Gilles
Solutions auto-similaires non radiales pour l'équation quasi-géostrophique dissipative critique. (French) [Non-radial self-similar solutions for the critical dissipative quasi-geostrophic equation]
C. R. Math. Acad. Sci. Paris 341 (2005), no. 9, 535–538.
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