@article{GDZPPN002438089,
title = {Minimal genus of abelian actions on Klein surfaces with boundary.},
journal = {Mathematische Zeitschrift},
volume = {205},
year = {1990},
pages = {421-436},
zbl = {0755.57005},
url = {http://dml.mathdoc.fr/item/GDZPPN002438089}
}
McCullough, Darryl. Minimal genus of abelian actions on Klein surfaces with boundary.. Mathematische Zeitschrift, Tome 205 (1990) pp. 421-436. http://gdmltest.u-ga.fr/item/GDZPPN002438089/