@article{UZERU_2014_2_a2,
     author = {L. Tepoyan},
     title = {Nonselfadjoint degenerate differential equations of higher order},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {24--29},
     publisher = {mathdoc},
     number = {2},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2014_2_a2/}
}