@article{IM_1975__28_142321,
     author = {Robert M. Hardt},
     title = {Stratification of {Real} {Analytic} {Mappings} and {Images.}},
     journal = {Inventiones mathematicae},
     pages = {193--208},
     publisher = {mathdoc},
     volume = {28},
     year = {1975},
     zbl = {0298.32003},
     url = {http://geodesic.mathdoc.fr/item/IM_1975__28_142321/}
}