On a construction of a hierarchy of best linear spline approximations using a finite element approach

@article{pub917,
    author = {

Bertram, M.
 and 

Wiley, D. F.
 and 

Hamann, B.
},
    title = {On a construction of a hierarchy of best linear spline approximations using a finite element approach},
    booktitle = {IEEE Transactions on Visualization and Computer Graphics Vol. 10, No. 5, 2004,},
    year = {2004},
    volume = {10},
    number = {5},
    pages = {548--563},
    journal = {IEEE Transactions on Visualization and Computer Graphics (TVCG)},
    publisher = {IEEE}
}