@article{DCG_1987__2_131025,
     author = {I. B\'ar\'any and Zolt\'an F\"uredi},
     title = {Computing the {Volume} is {Difficult.}},
     journal = {Discrete & computational geometry},
     pages = {319--326},
     publisher = {mathdoc},
     volume = {2},
     year = {1987},
     zbl = {0628.68041},
     url = {http://geodesic.mathdoc.fr/item/DCG_1987__2_131025/}
}