%0 Journal Article %A S. Topa %T Remarks on algebraic concomitants of the Riemann-Christoffel curvature tensor in a three-dimensional space %J Annales Polonici Mathematici %D 1972 %P 103-107 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-26-1-103-107/ %R 10.4064/ap-26-1-103-107 %G en %F 10_4064_ap_26_1_103_107