Multiple solutions of some asymptotically linear elliptic boundary value problems. (English) Zbl 0421.35024

Equadiff IV, Proc., Prague 1977, Lect. Notes Math. 703, 145-151 (1979).


35J65 Nonlinear boundary value problems for linear elliptic equations
35B45 A priori estimates in context of PDEs
47J05 Equations involving nonlinear operators (general)
35K60 Nonlinear initial, boundary and initial-boundary value problems for linear parabolic equations
55M25 Degree, winding number