TY - JOUR AU - P. K. Belobrov TI - Minimal extension of linear functionals to second dual spaces JO - Matematičeskie zametki PY - 1980 SP - 439 EP - 445 VL - 27 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1980_27_3_a12/ LA - ru ID - MZM_1980_27_3_a12 ER -