[EN] METHOD FOR CHIRAL INVERSION OF (S)-(+)- AND (R)-(-)-10,11-DIHYDRO-10-HYDROXY-5H-DIBENZ/B,F/AZEPINE-5-CARBOXAMIDE AND OPTICALLY ENRICHED MIXTURES THEREOF [FR] PROCEDE D'INVERSION CHIRALE DE (S)-(+)- ET (R)-(-)-10,11-DIHYDRO-10-HYDROXY-5H-DIBENZ/B,F/AZEPINE-5-CARBOXAMIDE ET MELANGES OPTIQUEMENT ENRICHIS DE CEUX-CI