Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2002_71_4_a10, author = {V. S. Samovol}, title = {Local {Smooth} {Transformations} of {Differential} {Equations} {Preserving} {Linear} {Automorphisms}}, journal = {Matemati\v{c}eskie zametki}, pages = {590--603}, publisher = {mathdoc}, volume = {71}, number = {4}, year = {2002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2002_71_4_a10/} }
V. S. Samovol. Local Smooth Transformations of Differential Equations Preserving Linear Automorphisms. Matematičeskie zametki, Tome 71 (2002) no. 4, pp. 590-603. http://geodesic.mathdoc.fr/item/MZM_2002_71_4_a10/