Numerical methods for heat equation with variable coefficients. - Muhammad Munir Butt; M. S. A. Taj (Int. J. Comput. Math., 2009)

Formulation and multigrid solution of Cauchy-Riemann optimal control problems. - Muhammad Munir Butt; Alfio Borzì (Comput. Vis. Sci., 2011)

A full multigrid solution of control-constrained Cauchy-Riemann optimal control problems. - Muhammad Munir Butt; Alfio Borzì (J. Num. Math., 2011)

A feasible flow-based iterative algorithm for the two-level hierarchical time minimization transportation problem. - Fanrong Xie; Muhammad Munir Butt; Zuoan Li (Comput. Oper. Res., 2017)

A multigrid solver for Stokes control problems. - Muhammad Munir Butt (Int. J. Comput. Math., 2017)

Numerical solution for Fokker-Planck equation using a two-level scheme. - Muhammad Munir Butt (CoRR, 2020)

Two-level method for a time-independent Fokker-Planck control problem. - Muhammad Munir Butt (Int. J. Comput. Math., 2021)

Two-level difference scheme for the two-dimensional Fokker-Planck equation. - Muhammad Munir Butt (Math. Comput. Simul., 2021)

On a multigrid solver for stationary Navier-Stokes velocity-pressure tracking-type control problems. - Muhammad Munir Butt (Math. Comput. Simul., 2022)

Integral Sliding Mode and Integral Supertwisting Sliding Mode Control for Ship Course-Keeping. - Muhammad Munir Butt; Azhar Iqbal Kashif Butt; Iftikhar Ahmad 007 (IEEE Access, 2025)