TY - JOUR AU - W. M. Mikulski TI - Uniqueness results for operators in the variational sequence JO - Annales Polonici Mathematici PY - 2009 SP - 125 EP - 133 VL - 95 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap95-2-3/ DO - 10.4064/ap95-2-3 LA - en ID - 10_4064_ap95_2_3 ER -