@article{GDZPPN002444917, title = {q-completeness and q-concavity of the union of open subspaces.}, journal = {Mathematische Zeitschrift}, volume = {221}, year = {1996}, pages = {217-230}, zbl = {0844.32014}, url = {http://dml.mathdoc.fr/item/GDZPPN002444917} }
Vajaitu, Viorel. q-completeness and q-concavity of the union of open subspaces.. Mathematische Zeitschrift, Tome 221 (1996) pp. 217-230. http://gdmltest.u-ga.fr/item/GDZPPN002444917/