@article{CMH_1943__16_138830,
     author = {W. Scherrer},
     title = {\"Uber den {Begriff} des {Atoms} {IV.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {115--145},
     year = {1943},
     volume = {16},
     zbl = {0028.38102},
     url = {http://geodesic.mathdoc.fr/item/CMH_1943__16_138830/}
}