@article{1103860526, author = {Hunziker, W.}, title = {On the nonrelativistic limit of the Dirac theory}, journal = {Comm. Math. Phys.}, volume = {40}, number = {1}, year = {1975}, pages = { 215-222}, language = {en}, url = {http://dml.mathdoc.fr/item/1103860526} }
Hunziker, W. On the nonrelativistic limit of the Dirac theory. Comm. Math. Phys., Tome 40 (1975) no. 1, pp. 215-222. http://gdmltest.u-ga.fr/item/1103860526/