@article{NUMA_1986__50_133163,
     author = {Giampietro Allasia and Renata Besenghi},
     title = {Numerical {Calculation} of {Incomplete} {Gamma} {Functions} by the {Trapezoidal} {Rule.}},
     journal = {Numerische Mathematik},
     pages = {419--428},
     publisher = {mathdoc},
     volume = {50},
     year = {1986},
     zbl = {0593.65017},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1986__50_133163/}
}