@article{EJDE_1993__1993_8_a0,
     author = {Mayer,  Uwe F.},
     title = {One-sided {Mullins-Sekerka} flow does not preserve convexity},
     journal = {Electronic journal of differential equations},
     year = {1993},
     volume = {1993},
     number = {8},
     zbl = {0811.35170},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1993__1993_8_a0/}
}