On the shrinkage of the forward and backward diffraction peaks

Nguyen Van Hieu; Nguyen Ngoc Thuan; Suleymanov, V. A.

Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Volume 9 (1968) p. 357-369

On the theory of unitary representations of the $SL(2,C)$ group

Dao Vong Duc; Nguyen Van Hieu

Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Volume 6 (1967) p. 17-37