@article{DAN_1989_307_3_a5,
     author = {Sh. M. Nasibov},
     title = {Optimal constants in some {Sobolev} inequalities and their applications to the nonlinear {Schr\"odinger} equation},
     journal = {Doklady Akademii Nauk},
     pages = {538--542},
     publisher = {mathdoc},
     volume = {307},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_307_3_a5/}
}