@article{MM3_2015_19_2_a4,
     author = {Brian Fisher and Fatma Al-Sirehy},
     title = {Convolutions {Involving} the {Exponential} {Function} and the {Exponential} {Integral}},
     journal = {Mathematica Moravica},
     pages = {65 - 73},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2015},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2015_19_2_a4/}
}