A Note on Free Planar Extensions.
Johnson, Norman L.
Mathematische Zeitschrift, Tome 121 (1971), p. 281-282 / Harvested from Göttinger Digitalisierungszentrum
Access to full text
Publié le : 1971-01-01
EUDML-ID : urn:eudml:doc:171499 
@article{GDZPPN002408392,
     title = {A Note on Free Planar Extensions.},
     journal = {Mathematische Zeitschrift},
     volume = {121},
     year = {1971},
     pages = {281-282},
     zbl = {0199.24303},
     url = {http://dml.mathdoc.fr/item/GDZPPN002408392}
}

Johnson, Norman L. A Note on Free Planar Extensions.. Mathematische Zeitschrift, Tome 121 (1971) pp. 281-282. http://gdmltest.u-ga.fr/item/GDZPPN002408392/