[MathOuvrage]
Twistors in mathematics and physics
/ Ed. Bailey, T. N. ; Ed. Baston, R.J..
-Cambridge : Cambridge university Press, 1990. - 382 p. ; 24 cm
[MathOuvrage]
Pseudo-riemannian symmetric spaces
/ Cahen, M. ; Parker, M..
-Providence RI : American mathematical Society, 1980. - iv, 108 p.
[MathOuvrage]
Reduction, symmetry, and phases in mechanics
/ Marsden, Jerrold E. ; Montgomery, Richard ; Ratiu, Tudor S..
-Providence RI : American mathematical Society, 1990. - iv, 110 p.