Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2002_71_1_a15, author = {V. A. Yurko}, title = {On {Higher-Order} {Differential} {Operators} with {Singularity} inside the {Interval}}, journal = {Matemati\v{c}eskie zametki}, pages = {152--156}, publisher = {mathdoc}, volume = {71}, number = {1}, year = {2002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2002_71_1_a15/} }
V. A. Yurko. On Higher-Order Differential Operators with Singularity inside the Interval. Matematičeskie zametki, Tome 71 (2002) no. 1, pp. 152-156. http://geodesic.mathdoc.fr/item/MZM_2002_71_1_a15/