Periodic boundary value problems for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$n$"><mml:mi>n</mml:mi></mml:math>th-order ordinary differential equations with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$p$"><mml:mi>p</mml:mi></mml:math>-laplacian
Journal of applied mathematics