@article{DEMR_2021_15_a1,
     author = {A.-R. K. Ramazanov and A.-K. K. Ramazanov},
     title = {Approximate solution of a boundary value problem with a discontinuous solution},
     journal = {Daghestan Electronic Mathematical Reports},
     pages = {22--29},
     publisher = {mathdoc},
     volume = {15},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DEMR_2021_15_a1/}
}