1. Variational boundary value problems for quasilinear elliptic equations of arbitrary order;Browder,1963
2. Variational boundary value problems for quasilinear elliptic equations of arbitrary order;Browder,1963
3. Variational boundary value problems for quasilinear elliptic equations of arbitrary order;Browder,1963
4. Existence theorems for non-linear partial differential equations;Browder,1968
5. Existence theory for boundary value problems for quasilinear elliptic systems with strongly nonlinear lower order terms;Browder,1971