@article{SM_1972_16_4_a3,
     author = {A. M. Il'in},
     title = {On the behavior of the solution of a~boundary value problem when~$t\to\infty$},
     journal = {Sbornik. Mathematics},
     pages = {545--572},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {1972},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1972_16_4_a3/}
}