On the supergroup S U ( m | n ) and its superfield representations Dao Vong Duc; Nguyen Thi Hong — 1982 Annales de l'I.H.P. Physique théorique
On the theory of unitary representations of the S L ( 2 , C ) group Dao Vong Duc; Nguyen Van Hieu — 1967 Annales de l'I.H.P. Physique théorique