@article{DAN_1960_134_3_a0,
     author = {R. A. Aleksandryan},
     title = {Discontinuous solutions of the first boundary value problem for the equation of the vibrating string},
     journal = {Doklady Akademii Nauk},
     pages = {503--506},
     publisher = {mathdoc},
     volume = {134},
     number = {3},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_134_3_a0/}
}