@article{1103840167, author = {Nachtmann, Otto}, title = {Quantum theory in de Sitter space}, journal = {Comm. Math. Phys.}, volume = {4}, number = {1}, year = {1967}, pages = { 1-16}, language = {en}, url = {http://dml.mathdoc.fr/item/1103840167} }
Nachtmann, Otto. Quantum theory in de Sitter space. Comm. Math. Phys., Tome 4 (1967) no. 1, pp. 1-16. http://gdmltest.u-ga.fr/item/1103840167/