%0 Journal Article %A M. A. McKiernan %A H. Richards %T Characterization of some tensor concomitants of the metric tensor and vector fields under restricted groups of transformations %J Annales Polonici Mathematici %D 1970 %P 139-149 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-23-2-139-149/ %R 10.4064/ap-23-2-139-149 %G en %F 10_4064_ap_23_2_139_149