@article{GDZPPN002234157, title = {The Plateau-Douglas problem for nonorientable minimal surfaces.}, journal = {Manuscripta mathematica}, volume = {79}, year = {1993}, pages = {73-80}, zbl = {0793.53063}, url = {http://dml.mathdoc.fr/item/GDZPPN002234157} }
Bernatzki, Felicia. The Plateau-Douglas problem for nonorientable minimal surfaces.. Manuscripta mathematica, Tome 79 (1993) pp. 73-80. http://gdmltest.u-ga.fr/item/GDZPPN002234157/