@article{AIF_2013__63_6_2267_0,
     author = {Ph\`ung, H\^o Hai},
     title = {Gauss-Manin stratification and stratified fundamental group schemes},
     journal = {Annales de l'Institut Fourier},
     pages = {2267--2285},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {63},
     number = {6},
     year = {2013},
     doi = {10.5802/aif.2829},
     mrnumber = {3237447},
     zbl = {1298.14022},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.2829/}
}