@article{GDZPPN002308479, title = {k-Diskonjugiertheit von w(n) + p (z) w = 0 .}, journal = {Mathematische Annalen}, volume = {201}, year = {1973}, pages = {331-336}, zbl = {0259.34036}, url = {http://dml.mathdoc.fr/item/GDZPPN002308479} }
Herold, Horst. k-Diskonjugiertheit von w(n) + p (z) w = 0 .. Mathematische Annalen, Tome 201 (1973) pp. 331-336. http://gdmltest.u-ga.fr/item/GDZPPN002308479/