@article{1103858128, author = {Nowotny, Ekkehard}, title = {Hydrogen atom in the Friedman universe}, journal = {Comm. Math. Phys.}, volume = {24}, number = {2}, year = {1972}, pages = { 321-332}, language = {en}, url = {http://dml.mathdoc.fr/item/1103858128} }
Nowotny, Ekkehard. Hydrogen atom in the Friedman universe. Comm. Math. Phys., Tome 24 (1972) no. 2, pp. 321-332. http://gdmltest.u-ga.fr/item/1103858128/