@article{IM_1978__49_142597,
     author = {Masaki Kashiwara},
     title = {On the {Holonomic} {Systems} of {Linear} {Differential} {Equations,} {II.}},
     journal = {Inventiones mathematicae},
     pages = {121--136},
     publisher = {mathdoc},
     volume = {49},
     year = {1978},
     zbl = {0401.32005},
     url = {http://geodesic.mathdoc.fr/item/IM_1978__49_142597/}
}