List of citations in Numdam for : The canonical structure of generalized non-linear sigma models in constrained hamiltonian formalism
Annales de l'I.H.P. Physique théorique, Volume 39 (1983) no. 2, pp. 193-209.
Annales de l'I.H.P. Physique théorique, Volume 45 (1986) no. 3, pp. 231-247.