@article{MZ_1952__57_169320,
     author = {Yeshwant V. Thosar},
     title = {Two {Theorems} on {Operational} {Calculus.}},
     journal = {Mathematische Zeitschrift},
     pages = {336--348},
     publisher = {mathdoc},
     volume = {57},
     year = {1952},
     zbl = {0050.10303},
     url = {http://geodesic.mathdoc.fr/item/MZ_1952__57_169320/}
}