%0 Journal Article %A Hansen, Wolfhard %T On the identity of Keldych solutions %J Czechoslovak Mathematical Journal %D 1985 %P 632-638 %V 35 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102054/ %R 10.21136/CMJ.1985.102054 %G en %F 10_21136_CMJ_1985_102054