@article{MZM_2012_91_4_a3,
     author = {Jian Zhang and Ji Shu},
     title = {On a {Class} of {Nonlinear} {Schr\"{o}dinger} {Equations} with {Nonnegative} {Potentials} in {Two} {Space} {Dimensions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {515--521},
     publisher = {mathdoc},
     volume = {91},
     number = {4},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_91_4_a3/}
}