@article{UZERU_2010_1_a3, author = {L. P. Tepoyan and Kalvand Daryoush}, title = {Neumann problem for fourth order degenerate ordinary differential equations}, journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences}, pages = {22--26}, publisher = {mathdoc}, number = {1}, year = {2010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/UZERU_2010_1_a3/} }