Equazioni differenziali non lineari : lectures given at a summer school of the Centro Internazionale Matematico Estivo (C.I.M.E) held in Varenna (Como), Italy, August 31 - September 8, 1964
Differential equations Differential equations, Nonlinear sähkökirjat
Springer, with permission of Fondazione CIME Roberto Conti
2010
EISBN 9783642110306
