1. The h, p, and h–p version of the finite element method; basis theory and applications;Babuska;Advances in Engineering Software,1992
2. The p and h–p versions of the finite element method, basic principles and properties;Babuška;SIAM Review,1994
3. Computing with hp-Adaptive Finite Elements;Demkowicz,2006
4. L. Demkowicz, C.-W. Kim, 1D hp-adaptive finite element package, Fortran-90 implementation (1Dhp90), Technical Report TICAM Report 99–38, Texas Institute of Computational and Applied Mathematics, University of Texas, Austin, 1999.
5. A fully automatic hp-adaptivity;Demkowicz;Journal of Science and Computation,2002