Existence of quasiperiodic solutions of elliptic equations on RN+1 via center manifold and KAM theorems
Keywords: 35B08; 35B15; 35J61; 37J40; 37K55; 35J10; Elliptic equations; Entire solutions; Quasiperiodic solutions; Center manifold; KAM theorem; Nemytskii operators on Sobolev spaces;