TY - JOUR AU - S. Węgrzynowski TI - Scalar and density concomitants of tensor with the valence (1, 2) in a 2-dimensional space JO - Annales Polonici Mathematici PY - 1972 SP - 105 EP - 119 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-27-1-105-119/ DO - 10.4064/ap-27-1-105-119 LA - en ID - 10_4064_ap_27_1_105_119 ER -