On the Pythagoras number of a real irreducible algebroid curve.
Ortega, Jesus J.
Mathematische Annalen, Tome 291 (1991), p. 111-124 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1991-01-01
EUDML-ID : urn:eudml:doc:164771 
@article{GDZPPN002334941,
     title = {On the Pythagoras number of a real irreducible algebroid curve.},
     journal = {Mathematische Annalen},
     volume = {291},
     year = {1991},
     pages = {111-124},
     zbl = {0743.14041},
     url = {http://dml.mathdoc.fr/item/GDZPPN002334941}
}

Ortega, Jesus J. On the Pythagoras number of a real irreducible algebroid curve.. Mathematische Annalen, Tome 291 (1991) pp. 111-124. http://gdmltest.u-ga.fr/item/GDZPPN002334941/