Claude-André Christen. Spektralproblem und Komplexitätstheorie. In Ernst Specker, Volker Strassen, editors, Komplexität von Entscheidungsproblemen, Ein Seminar. Volume 43 of Lecture Notes in Computer Science, pages 102-126, Springer, 1976.
@inproceedings{Christen76, title = {Spektralproblem und Komplexitätstheorie}, author = {Claude-André Christen}, year = {1976}, researchr = {https://researchr.org/publication/Christen76}, cites = {0}, citedby = {0}, pages = {102-126}, booktitle = {Komplexität von Entscheidungsproblemen, Ein Seminar}, editor = {Ernst Specker and Volker Strassen}, volume = {43}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-07805-3}, }