Global existence for non-linear partial differential equations of the first order. (English) Zbl 0258.35008
MSC:
35F20 | Nonlinear first-order PDEs |
35A05 | General existence and uniqueness theorems (PDE) (MSC2000) |
35F20 | Nonlinear first-order PDEs |
35A05 | General existence and uniqueness theorems (PDE) (MSC2000) |