@article{SM_1986_53_1_a4,
     author = {A. M. Il'in and E. F. Lelikova},
     title = {Asymptotics of the solutions of some higher order elliptic equations in conical domains},
     journal = {Sbornik. Mathematics},
     pages = {89--117},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1986_53_1_a4/}
}