@article{GDZPPN002419106,
title = {On Ternary Rings of Derivable Planes.},
journal = {Mathematische Zeitschrift},
volume = {154},
year = {1977},
pages = {157-158},
zbl = {0363.50014},
url = {http://dml.mathdoc.fr/item/GDZPPN002419106}
}
Cofman, Judita. On Ternary Rings of Derivable Planes.. Mathematische Zeitschrift, Tome 154 (1977) pp. 157-158. http://gdmltest.u-ga.fr/item/GDZPPN002419106/