@article{DAN_1987_296_1_a4,
     author = {F. G. Maksudov and K. Ya. Leonov},
     title = {An initial-boundary value problem for systems of equations of},
     journal = {Doklady Akademii Nauk},
     pages = {25--28},
     publisher = {mathdoc},
     volume = {296},
     number = {1},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_296_1_a4/}
}