



 | Auteurs associés:
M. Barfield and D. M. Grant, J. Amer. Chem. Soc. 1961, 83, 4726; J. A. Pople and A. A. Bothner-By, J. Chem. Phys. 1965, 42, 1339. S. Sternhell, Quaterly Reviews 1969, 23, 236-270 ; R. Cahill, R. C. Cookson and T. A. Crabb, Tetrahedron 1969, 25, 4681-4709. |