TY - BOOK AU - Boiti,M.,et al (ed) TI - Nonlinear evolution equations & dynamical systems: Procs. of the meeting held at the Univ. of Lecce, June 20-23,1979 T2 - Lecture notes in physics 120 SN - 3540099719 U1 - 12.07+22 PY - 1980/// CY - Berlin PB - Springer ER -