@article{1103858163, author = {Collins, C. B.}, title = {Qualitative magnetic cosmology}, journal = {Comm. Math. Phys.}, volume = {24}, number = {2}, year = {1972}, pages = { 37-43}, language = {en}, url = {http://dml.mathdoc.fr/item/1103858163} }
Collins, C. B. Qualitative magnetic cosmology. Comm. Math. Phys., Tome 24 (1972) no. 2, pp. 37-43. http://gdmltest.u-ga.fr/item/1103858163/