Abolarinwa , A. and Ali , A. (2024) “Variable exponent Picone identity and p(x) sub-Laplacian first eigenvalue for general vector fields”, International Journal of Mathematical Sciences and Optimization: Theory and Applications, 10(4), pp. 81 - 98. Available at: http://ijmso.unilag.edu.ng/article/view/2391 (Accessed: 19April2025).