@article{10_1007_s10492_007_0022_5,
     author = {Stebel, Jan and M\"akinen, Raino A. E. and Toivanen, Jukka I.},
     title = {Optimal shape design in a fibre orientation model},
     journal = {Applications of Mathematics},
     pages = {391--405},
     publisher = {mathdoc},
     volume = {52},
     number = {5},
     year = {2007},
     doi = {10.1007/s10492-007-0022-5},
     mrnumber = {2342596},
     zbl = {1164.35353},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-007-0022-5/}
}