@article{1103842075, author = {Kraus, K.}, title = {An algebraic spectrum condition}, journal = {Comm. Math. Phys.}, volume = {16}, number = {1}, year = {1970}, pages = { 138-141}, language = {en}, url = {http://dml.mathdoc.fr/item/1103842075} }
Kraus, K. An algebraic spectrum condition. Comm. Math. Phys., Tome 16 (1970) no. 1, pp. 138-141. http://gdmltest.u-ga.fr/item/1103842075/