Analyse non convexe (Pau, 1977)
Mémoires de la Société Mathématique de France, no. 60 (1979) , 184 p. 
@book{MSMF_1979__60_,
     author = {Collectif},
     title = {Analyse non convexe (Pau, 1977)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {60},
     year = {1979},
     language = {mul},
     url = {http://www.numdam.org/item/MSMF_1979__60_}
}

Analyse non convexe (Pau, 1977). Mémoires de la Société Mathématique de France, no. 60 (1979), 184 p. http://www.numdam.org/item/MSMF_1979__60_/

Table of contents

Introduction to the volume Penot, Jean-Paul p. 7-24
Lemme de Morse et calcul des variations Antoine, P. p. 25-29
Cônes asymptotes d'ensembles non convexes Dedieu, Jean-Pierre p. 31-44
Nonconvex duality Ekeland, Ivar p. 45-55
New concepts in nondifferentiable programming Hiriart-Urruty, J-B. p. 57-85
On some structural design problems Jouron, C. p. 87-93
Perturbed optimization problems in Banach spaces Lebourg, Gérard p. 95-111
Méthode de descente sur un fermé non convexe Malivert, Christian p. 113-124
Compacité par compensation Murat, François p. 125-127
Fixed point theorems without convexity Penot, Jean-Paul p. 129-152
Discretized feedback for differential games Sentis, Remi p. 153-159
Calcul sous-différentiel et calcul des variations en dimension infinie Thibault, Lionel p. 161-175
On subdifferential calculus and duality in non-convex optimization Toland, John F. p. 177-183