@article{SM_1992_73_2_a5,
     author = {P. I. Naumkin and I. A. Shishmarev},
     title = {The asymptotics as $t\to\infty$ of solutions of a~nonlinear nonlocal {Schr\"odinger} equation},
     journal = {Sbornik. Mathematics},
     pages = {393--413},
     publisher = {mathdoc},
     volume = {73},
     number = {2},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1992_73_2_a5/}
}