## Differential and Integral Equations

Differential and Integral Equations will publish carefully selected research papers on mathematical aspects of differential and integral equations and on applications of the mathematical theory to issues arising in the sciences and in engineering. Papers submitted to this journal should be correct, new, and of interest to a substantial number of mathematicians working in these areas.

A priori estimate for the first eigenvalue of the $p$-LaplacianVolume 28, Number 9/10 (2015)