@article{IM_1976__35_142400,
     author = {A. Andreotti and C. Hill and B. MacKichan},
     title = {Complexes of {Differential} {Operators.} {The} {Mayer-Victoris} {Sequence.}},
     journal = {Inventiones mathematicae},
     pages = {43--86},
     publisher = {mathdoc},
     volume = {35},
     year = {1976},
     zbl = {0332.58016},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__35_142400/}
}