@article{SIGMA_2013_9_a65,
     author = {Aleksandr L. Lisok and Aleksandr V. Shapovalov and Andrey Yu. Trifonov},
     title = {Symmetry and {Intertwining} {Operators} for the {Nonlocal} {Gross{\textendash}Pitaevskii} {Equation}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2013},
     volume = {9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a65/}
}