Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_220_4_a9, author = {N. I. Yatskin}, title = {Questions of reducibility to a special form of linear differential equations on manifolds}, journal = {Doklady Akademii Nauk}, pages = {792--794}, publisher = {mathdoc}, volume = {220}, number = {4}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_220_4_a9/} }
N. I. Yatskin. Questions of reducibility to a special form of linear differential equations on manifolds. Doklady Akademii Nauk, Tome 220 (1975) no. 4, pp. 792-794. http://geodesic.mathdoc.fr/item/DAN_1975_220_4_a9/