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@article{PORMA_1997__54_1_47929, author = {Popescu, N. and Zaharescu, A.}, title = {On the main invariant of an element over a local field.}, journal = {Portugaliae mathematica}, pages = {73--83}, publisher = {mathdoc}, volume = {54}, number = {1}, year = {1997}, zbl = {0894.11045}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1997__54_1_47929/} }
Popescu, N.; Zaharescu, A. On the main invariant of an element over a local field.. Portugaliae mathematica, Tome 54 (1997) no. 1, pp. 73-83. http://geodesic.mathdoc.fr/item/PORMA_1997__54_1_47929/