Harry Yserentant. Hierarchical bases of finite-element spaces in the discretization of nonsymmetric elliptic boundary value problems. Computing, 35(1):39-49, 1985. [doi]
@article{Yserentant85,
title = {Hierarchical bases of finite-element spaces in the discretization of nonsymmetric elliptic boundary value problems},
author = {Harry Yserentant},
year = {1985},
doi = {10.1007/BF02240145},
url = {http://dx.doi.org/10.1007/BF02240145},
researchr = {https://researchr.org/publication/Yserentant85},
cites = {0},
citedby = {0},
journal = {Computing},
volume = {35},
number = {1},
pages = {39-49},
}