@article{DAN_1962_143_6_a13,
     author = {M. Z. Solomyak},
     title = {On the spaces conjugate to the $W_p^l$ spaces of {S.} {L.~Sobolev}},
     journal = {Doklady Akademii Nauk},
     pages = {1289--1292},
     year = {1962},
     volume = {143},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_143_6_a13/}
}