Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1969_189_6_a8, author = {A. M. Evseev}, title = {Ground energy level of helium, as calculated using integrals over trajectories}, journal = {Doklady Akademii Nauk}, pages = {1197--1199}, publisher = {mathdoc}, volume = {189}, number = {6}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_6_a8/} }
A. M. Evseev. Ground energy level of helium, as calculated using integrals over trajectories. Doklady Akademii Nauk, Tome 189 (1969) no. 6, pp. 1197-1199. http://geodesic.mathdoc.fr/item/DAN_1969_189_6_a8/