@article{GDZPPN002238950,
title = {Extrinsic shape of circles and standard imbeddings of projective spaces.},
journal = {Manuscripta mathematica},
volume = {94},
year = {1997},
pages = {267-272},
zbl = {0881.53045},
url = {http://dml.mathdoc.fr/item/GDZPPN002238950}
}
Adachi, Toshiaki; Maeda, S.; Ogiue, K. Extrinsic shape of circles and standard imbeddings of projective spaces.. Manuscripta mathematica, Tome 94 (1997) pp. 267-272. http://gdmltest.u-ga.fr/item/GDZPPN002238950/