TY - BOOK AU - Ambrosetti,A.,et al (eds) ED - Chang, K.C ED - Ekeland, I TI - Proceedings of the second school on nonlinear functional analysis & applications to differential equations, held from 21 April - 9 May, 1997, at ICTP, Trieste, Italy SN - 9789810234706 U1 - 6.01+6.03+6.08 PY - 1998/// CY - Singapore PB - World Scientific ER -