@article{DOCMA_1998__S9__a10,
     author = {Ko\v{c}vara, Michal and Zowe, Jochem},
     title = {Free material optimization},
     journal = {Documenta mathematica},
     pages = {707--716},
     publisher = {mathdoc},
     volume = {ICM Berlin 1998, Vol. III},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a10/}
}