@article{DAN_1992_322_3_a15,
     author = {N. I. Ostrosablin and S. I. Senashov},
     title = {General solutions and symmetries of equations of the linear theory},
     journal = {Doklady Akademii Nauk},
     pages = {513--515},
     publisher = {mathdoc},
     volume = {322},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_322_3_a15/}
}