@article{CML_2017__9_1_29_0,
     author = {Bourqui, David and Sebag, Julien},
     title = {The {Drinfeld-Grinberg-Kazhdan} {Theorem} for formal schemes and singularity theory},
     journal = {Confluentes Mathematici},
     pages = {29--64},
     publisher = {Institut Camille Jordan},
     volume = {9},
     number = {1},
     year = {2017},
     doi = {10.5802/cml.35},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/cml.35/}
}