@article{JRAM_1997__488_153927,
     author = {David Eisenbud and Barry Mazur},
     title = {Evolutions, symbolic squares, and {Fitting} ideals.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {189--202},
     publisher = {mathdoc},
     volume = {488},
     year = {1997},
     zbl = {0912.13010},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1997__488_153927/}
}