@article{UZERU_2011_1_a1,
     author = {S. A. Hosseiny Matikolai},
     title = {On the anisotropic boundary value problem, connected with {Helmholtze-Schr\"{o}dinger} {\cyre}quation, under the boundary conditions of the first and second type},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {7--11},
     publisher = {mathdoc},
     number = {1},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2011_1_a1/}
}