TY  - BOOK
AU  - Cellina,Arrigo
TI  - Methods of nonconvex analysis: lectures given at the 1st session of the Centro internazionale matematico estivo (C.I.M.E.) held at Varenna, Italy, June 15-23, 1989 
T2  - Lecture notes in mathematics
SN  - 0387531203
PY  - 1990///
CY  - Berlin , New York 
PB  - Springer-Verlag
KW  - Nonlinear functional analysis
KW  - Convex domains
N1  - Includes bibliographical references
ER  -