@article{IM2_1969_3_1_a13,
     author = {O. A. Ladyzhenskaya},
     title = {Example of nonuniqueness in the {Hopf} class of weak solutions for the {Navier--Stokes} equations},
     journal = {Izvestiya. Mathematics },
     pages = {229--236},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1969_3_1_a13/}
}