@article{CRMATH_2009__347_1-2_89_0,
     author = {Qian, Zhongmin},
     title = {An estimate for the vorticity of the {Navier{\textendash}Stokes} equation},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {89--92},
     publisher = {Elsevier},
     volume = {347},
     number = {1-2},
     year = {2009},
     doi = {10.1016/j.crma.2008.11.007},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2008.11.007/}
}