@article{IM2_2004_68_6_a1,
     author = {V. I. Arnol'd},
     title = {The matrix {Euler--Fermat} theorem},
     journal = {Izvestiya. Mathematics },
     pages = {1119--1128},
     publisher = {mathdoc},
     volume = {68},
     number = {6},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2004_68_6_a1/}
}