Title of article :
Existence and regularity of weak periodic solutions of the 2-D wave equation Original Research Article
Author/Authors :
J.K. Kim، نويسنده , , N.H. Pavel، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1998
Keywords :
resonant (nonresonant) case , 2-Dimensional wave equation , periodic weak (mild) solutions , closed-range operators , selfadjoint operators , Fourier series , eigenvalues and eigenfunctions , optimal pairs (control) , maximum principles
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications