The canonical structure of the supersymmetric non-linear σ model in the constrained hamiltonian formalism J. Maharana — 1986 Annales de l'I.H.P. Physique théorique
The canonical structure of generalized non-linear sigma models in constrained hamiltonian formalism J. Maharana — 1983 Annales de l'I.H.P. Physique théorique