@article{UZERU_1992_1_a1,
     author = {H. M. Hayrapetyan},
     title = {Riman boundary volue problem for nonregular elliptic equation of second order in the domains limited by ellipse},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {15--22},
     publisher = {mathdoc},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1992_1_a1/}
}