TY - JOUR AU - Lukáš Malý TI - Minimal weak upper gradients in Newtonian spaces based on quasi-Banach function lattices JO - Annales Fennici Mathematici PY - 2013 SP - 727 EP - 745 VL - 38 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2013.3831/ DO - 10.5186/aasfm.2013.3831 LA - en ID - AFM_2013_38_2_a19 ER -