@article{MAN_1979__246_163326,
     author = {Gilbert Stengle},
     title = {Integral {Solution} of {Hilbert's} {Seeventeenth} {Problem.}},
     journal = {Mathematische Annalen},
     pages = {33--40},
     publisher = {mathdoc},
     volume = {246},
     year = {1979},
     zbl = {0403.10008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__246_163326/}
}