@article{SM_1977_32_4_a8,
     author = {E. Ya. Khruslov},
     title = {The first boundary value problem in~domains with a~complicated boundary for higher order equations},
     journal = {Sbornik. Mathematics},
     pages = {535--549},
     publisher = {mathdoc},
     volume = {32},
     number = {4},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_32_4_a8/}
}