@article{ARM_2004_40_4_a10,
     author = {J\"ungel, Ansgar and Li, Hailiang},
     title = {Quantum {Euler-Poisson} systems: {Existence} of stationary states},
     journal = {Archivum mathematicum},
     pages = {435--456},
     year = {2004},
     volume = {40},
     number = {4},
     mrnumber = {2129964},
     zbl = {1122.35140},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2004_40_4_a10/}
}