1 - Advances in twistor theory
Hughston, Lane Palmer (1951-....) (Ed.)   /   Ward, Richard Samuel (1951-....) (Ed.)

Cote : [92 HUG 79]

2 - Twistor geometry and non-linear systems
Doebner, Heinz Dietrich (1931-....)   /   Palev, Tchavdar D. (19..-....)

Cote : [LNM 970]