TY - JOUR AU - Blair, Robert L. TI - Extensions of Lebesgue sets and of real-valued functions JO - Czechoslovak Mathematical Journal PY - 1981 SP - 63 EP - 74 VL - 31 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101723/ DO - 10.21136/CMJ.1981.101723 LA - en ID - 10_21136_CMJ_1981_101723 ER -