%0 Journal Article %A S. Węgrzynowski %T Scalar and density concomitants of tensor with the valence (1, 2) in a 2-dimensional space %J Annales Polonici Mathematici %D 1972 %P 105-119 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-27-1-105-119/ %R 10.4064/ap-27-1-105-119 %G en %F 10_4064_ap_27_1_105_119