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@article{JRAM_1989__394_153104, author = {Arne Jensen}, title = {Perturbation results for {Stark} effect resonances.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {168--179}, publisher = {mathdoc}, volume = {394}, year = {1989}, zbl = {0655.35061}, url = {http://geodesic.mathdoc.fr/item/JRAM_1989__394_153104/} }
Arne Jensen. Perturbation results for Stark effect resonances.. Journal für die reine und angewandte Mathematik, Tome 394 (1989), pp. 168-179. http://geodesic.mathdoc.fr/item/JRAM_1989__394_153104/