@article{DAN_1961_140_1_a18,
     author = {G. N. Yakovlev},
     title = {Boundary properties of functions of the class $W_p^{(l)}$ in regions with corners},
     journal = {Doklady Akademii Nauk},
     pages = {73--76},
     publisher = {mathdoc},
     volume = {140},
     number = {1},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_140_1_a18/}
}