@article{DAN_1987_294_2_a6,
     author = {M. A. \`Efendiev},
     title = {On a property of the conjugate integral and the nonlinear {Hilbert}},
     journal = {Doklady Akademii Nauk},
     pages = {288--292},
     publisher = {mathdoc},
     volume = {294},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_294_2_a6/}
}