@article{GlueckKolovskyKorsch1999, author = {Markus Gl{\"u}ck and A. R. Kolovsky and Hans J{\"u}rgen Korsch}, title = {A truncated shift - operator technique for the calculation of resonances in Stark systems}, year = {1999}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:386-kluedo-8309}, }