@article{GDZPPN002422271, title = {Korovkinh\"ullen in Funktionenr\"aumen.}, journal = {Mathematische Zeitschrift}, volume = {166}, year = {1979}, pages = {187-204}, zbl = {0386.46022}, url = {http://dml.mathdoc.fr/item/GDZPPN002422271} }
Flösser, Hans-Otto; Roth, Walter. Korovkinhüllen in Funktionenräumen.. Mathematische Zeitschrift, Tome 166 (1979) pp. 187-204. http://gdmltest.u-ga.fr/item/GDZPPN002422271/