@article{AIF_2019__69_6_2635_0,
     author = {Zaitsev, Dmitri},
     title = {A geometric approach to {Catlin{\textquoteright}s} boundary systems},
     journal = {Annales de l'Institut Fourier},
     pages = {2635--2679},
     year = {2019},
     publisher = {Association des Annales de l'Institut Fourier},
     volume = {69},
     number = {6},
     doi = {10.5802/aif.3304},
     language = {en},
     url = {https://www.numdam.org/articles/10.5802/aif.3304/}
}