TY - JOUR AU - Kwapien, S. TI - Isomorphic characterizations of Hilbert spaces by orthogonal series with vector valued coefficients JO - Séminaire Maurey-Schwartz N1 - talk:8 PY - 1972-1973 SP - 1 EP - 7 PB - Ecole Polytechnique, Centre de Mathématiques UR - http://archive.numdam.org/item/SAF_1972-1973____A8_0/ LA - en ID - SAF_1972-1973____A8_0 ER -