@article{UZERU_2020_54_1_a3,
     author = {A. G. Kamalian and M. I. Karakhanyan},
     title = {On solvability of some boundary problem},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {29--34},
     publisher = {mathdoc},
     volume = {54},
     number = {1},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2020_54_1_a3/}
}