An invariant of 2×2 matrices.
Cisneros-Molina, José Luis
ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 14 (2005), p. 146-152 / Harvested from The Electronic Library of Mathematics
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Publié le : 2005-01-01
EUDML-ID : urn:eudml:doc:126869 
@article{05024386,
     title = {An invariant of },
     journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
     volume = {14},
     year = {2005},
     pages = {146-152},
     zbl = {1104.15023},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05024386}
}

Cisneros-Molina, José Luis. An invariant of . ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 14 (2005) pp. 146-152. http://gdmltest.u-ga.fr/item/05024386/