On the vertices of an oval
Yü, C.F.
Mathematische Annalen, Tome 116 (1939), p. 571-573 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1939-01-01
EUDML-ID : urn:eudml:doc:160018 
@article{GDZPPN002280213,
     title = {On the vertices of an oval},
     journal = {Mathematische Annalen},
     volume = {116},
     year = {1939},
     pages = {571-573},
     zbl = {65.0825.02},
     url = {http://dml.mathdoc.fr/item/GDZPPN002280213}
}

Yü, C.F. On the vertices of an oval. Mathematische Annalen, Tome 116 (1939) pp. 571-573. http://gdmltest.u-ga.fr/item/GDZPPN002280213/