TY - JOUR AU - Gerlach, Eberhard TI - On the characterization of weak closure in Hilbert space JO - Czechoslovak Mathematical Journal PY - 1972 SP - 368 EP - 372 VL - 22 IS - 3 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1972.101108/ DO - 10.21136/CMJ.1972.101108 LA - en ID - 10_21136_CMJ_1972_101108 ER -