On definite quadratic forms, which are not the sum of two definite or semi-definite forms
Erdös, Paul ; Ko, Chao
Acta Arithmetica, Tome 3 (1939), p. 102-122 / Harvested from The Polish Digital Mathematics Library
Access to full text
Full (PDF)
Publié le : 1939-01-01
EUDML-ID : urn:eudml:doc:205780 
@article{bwmeta1.element.bwnjournal-article-aav3i1p102bwm,
     author = {Erd\"os, Paul and Ko, Chao},
     title = {On definite quadratic forms, which are not the sum of two definite or semi-definite forms},
     journal = {Acta Arithmetica},
     volume = {3},
     year = {1939},
     pages = {102-122},
     zbl = {64.0107.01},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav3i1p102bwm}
}

Erdös, Paul; Ko, Chao. On definite quadratic forms, which are not the sum of two definite or semi-definite forms. Acta Arithmetica, Tome 3 (1939) pp. 102-122. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav3i1p102bwm/