Differential geometry and relativity : a volume in honour of André Lichnerowicz on his 60th birthday / edited by M. Cahen and M. Flato. (Mathematical physics and applied mathematics ; v. 3)
Differential geometry and relativity : a volume in honour of André Lichnerowicz on his 60th birthday / edited by M. Cahen and M. Flato.
(Mathematical physics and applied mathematics ; v. 3)