Multiple Solutions for a Nonlocal Elliptic Problem Involving <math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"> <mfenced open="(" close=")" separators="|"> <mrow> <mi>p</mi> <mrow> <mfenced open="(" close=")" separators="|"> <mrow> <mi>x</mi> </mrow> </mfenced> <mo>,</mo> <mi>q</mi> <mfenced open="(" close=")" separators="|"> <mrow> <mi>x</mi> </mrow> </mfenced> </mrow> </mrow> </mfenced> </math>-Biharmonic Operator
Journal of mathematics