@article{IM_1993__112_3_144101,
     author = {G. M\'etivier},
     title = {Counterexamples to {H\"olmgren's} uniqueness for analytic non linear {Cauchy} problem.},
     journal = {Inventiones mathematicae},
     pages = {217--222},
     publisher = {mathdoc},
     volume = {112},
     number = {3},
     year = {1993},
     zbl = {0794.35026},
     url = {http://geodesic.mathdoc.fr/item/IM_1993__112_3_144101/}
}