TY - JOUR AU - D. Dutta TI - Upper and lower Lebesgue-Stieltjes integrals JO - Fundamenta Mathematicae PY - 1975 SP - 121 EP - 140 VL - 87 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-87-2-121-140/ DO - 10.4064/fm-87-2-121-140 LA - de ID - 10_4064_fm_87_2_121_140 ER -