@article{Ratiu:129429,
      title = {Bifurcations, semiflows, and Navier-Stokes equations},
      author = {Ratiu, Tudor S.},
      publisher = {Springer},
      journal = {Turbulence Seminar (Univ. Calif., Berkeley, Calif.,  1976/1977)},
      series = {Lecture Notes in Math., Vol. 615},
      pages = {23-35.},
      year = {1977},
      url = {http://infoscience.epfl.ch/record/129429},
}