1. Paszyński, M., Pardo, D., Torres-Verdin, C., Demkowicz, L., Calo, V.: Multi-Level Direct Sub-structuring Multi-frontal Parallel Direct Solver for hp Finite Element Method. ICES Report 07-33 (2007)
2. Paszyński, M., Pardo, D., Torres-Verdin, C., Matuszyk, P.: Efficient Sequential and Parallel Solvers for hp FEM. In: APCOM-EPMSC 2007, Kioto, Japan (2007)
3. Demkowicz, L.: Computing with hp-Adaptive Finite Elements, vol. I. Chapman & Hall/Crc Applied Mathematics & Nonlinear Science, New York (2006)
4. Demkowicz, L., Pardo, D., Paszyński, M., Rachowicz, W., Zduneka, A.: Computing with hp-Adaptive Finite Elements, vol. II. Chapman & Hall/Crc Applied Mathematics & Nonlinear Science, New York (2007)
5. Paszyński, M., Kurtz, J., Demkowicz, L.: Parallel Fully Automatic hp-Adaptive 2D Finite Element Package. Computer Methods in Applied Mechanics and Engineering 195(7-8), 711–741 (2007)