@article{ZNSL_1991_192_a6,
     author = {A. I. Barvinok},
     title = {Computation of exponential integrals},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {149--162},
     publisher = {mathdoc},
     volume = {192},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_192_a6/}
}