@ARTICLE{AUROUX-09-SEGM,
 author = {Auroux, D.},
 title = {From restoration by topological gradient to medical image segmentation via an asymptotic expansion},
 journal = {Math. Comput. Model.},
 year = {2009},
 volume = {49},
 number = {11-12},
 pages = {2191--2205},
}