@article{DAN_1996_348_2_a1,
     author = {I. M. Gel'fand and M. I. Graev and S. A. Spirin},
     title = {Hypergeometric functions and the {Newton} polytope associated with
},
     journal = {Doklady Akademii Nauk},
     pages = {155--158},
     publisher = {mathdoc},
     volume = {348},
     number = {2},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_348_2_a1/}
}