%0 Journal Article %A W. Roter %T Conformally symmetric spaces admitting special quadratic first integrals %J Colloquium Mathematicum %D 1975 %P 225-235 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-33-2-225-235/ %R 10.4064/cm-33-2-225-235 %G en %F 10_4064_cm_33_2_225_235