@article{CMH_1943__16_138822,
     author = {Walter Nef},
     title = {\"Uber die {Stieltj\`es'schen} {Integrale.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {29--36},
     publisher = {mathdoc},
     volume = {16},
     year = {1943},
     zbl = {0028.20902},
     url = {http://geodesic.mathdoc.fr/item/CMH_1943__16_138822/}
}