@article{RM_1974_29_5_a25,
     author = {G. L. Fel'dman},
     title = {The global homological dimension of general rings of differential operators},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1974},
     volume = {29},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1974_29_5_a25/}
}