@article{IM_1988__94_2_143629,
     author = {Hubert Flenner},
     title = {Extendability of differential forms on non-isolated singularities.},
     journal = {Inventiones mathematicae},
     pages = {317--326},
     publisher = {mathdoc},
     volume = {94},
     number = {2},
     year = {1988},
     zbl = {0658.14009},
     url = {http://geodesic.mathdoc.fr/item/IM_1988__94_2_143629/}
}