Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1995_344_6_a7, author = {I. G. Fikhtengol'ts}, title = {Characteristic vectors and characteristic tensors for spherically}, journal = {Doklady Akademii Nauk}, pages = {756--759}, publisher = {mathdoc}, volume = {344}, number = {6}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_6_a7/} }
I. G. Fikhtengol'ts. Characteristic vectors and characteristic tensors for spherically. Doklady Akademii Nauk, Tome 344 (1995) no. 6, pp. 756-759. http://geodesic.mathdoc.fr/item/DAN_1995_344_6_a7/