@article{ Solr-acta15076, title = {Zur Symmetrisierung gewisser rationaler Eigenwertaufgaben}, series = {Acta scientiarum mathematicarum}, author = {Linden Hansjörg}, year = {1985}, url = {http://acta.bibl.u-szeged.hu/15076/1/math_049_357-364.pdf} }