@article{01780312, title = {The geometry of autonomous metrical multi-time Lagrange space of electrodynamics.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {30}, year = {2002}, pages = {7-15}, doi = {10.1155/S0161171202011018}, zbl = {1011.53053}, language = {en}, url = {http://dml.mathdoc.fr/item/01780312} }
Neagu, Mircea. The geometry of autonomous metrical multi-time Lagrange space of electrodynamics.. International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 7-15. doi : 10.1155/S0161171202011018. http://gdmltest.u-ga.fr/item/01780312/