@article{IM2_1987_29_3_a5,
     author = {A. G. Sergeev},
     title = {Complex geometry and integral representations in the future tube},
     journal = {Izvestiya. Mathematics },
     pages = {597--628},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1987_29_3_a5/}
}