@article{00645187, title = {On conjugacy of high-order linear ordinary differential equations.}, journal = {Georgian Mathematical Journal}, volume = {1}, year = {1994}, pages = {1-8}, doi = {10.1007/BF02315299}, zbl = {0807.34041}, language = {en}, url = {http://dml.mathdoc.fr/item/00645187} }
Chanturia, T. On conjugacy of high-order linear ordinary differential equations.. Georgian Mathematical Journal, Tome 1 (1994) pp. 1-8. doi : 10.1007/BF02315299. http://gdmltest.u-ga.fr/item/00645187/