@article{CMH_1949__22_138965,
     author = {Eduard Batschelet},
     title = {Die {Operatorenmethode} von {L.} {Fantappi\`e} und die {Laplace-Transformation.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {200--214},
     publisher = {mathdoc},
     volume = {22},
     year = {1949},
     zbl = {0032.02703},
     url = {http://geodesic.mathdoc.fr/item/CMH_1949__22_138965/}
}