@article{MZ_1991__207_2_174273,
     author = {Tohru Ozawa},
     title = {Non-existence of wave operators for {Stark} effect {Hamiltonians.}},
     journal = {Mathematische Zeitschrift},
     pages = {335--340},
     publisher = {mathdoc},
     volume = {207},
     number = {2},
     year = {1991},
     zbl = {0715.35060},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174273/}
}