@article{EXMA_2005__14_4_52592,
     author = {Snellman, Jan},
     title = {A conjecture on {Poincar\'e-Betti} series of modules of differential operators on a generic hyperplane arrangement.},
     journal = {Experimental mathematics},
     pages = {445--456},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2005},
     zbl = {1094.13041},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2005__14_4_52592/}
}