@article{GDZPPN002228947,
title = {Groenstein curves and symmetry of the semigroup of values.},
journal = {Manuscripta mathematica},
volume = {61},
year = {1988},
pages = {285-296},
zbl = {0692.13017},
url = {http://dml.mathdoc.fr/item/GDZPPN002228947}
}
Delgado de la Manta, Félix de. Groenstein curves and symmetry of the semigroup of values.. Manuscripta mathematica, Tome 61 (1988) pp. 285-296. http://gdmltest.u-ga.fr/item/GDZPPN002228947/