@article{MZ_1961__75_169924,
     author = {U.C. Guha},
     title = {Rearrangements of the coefficients of a {Power} series.},
     journal = {Mathematische Zeitschrift},
     pages = {325--327},
     publisher = {mathdoc},
     volume = {75},
     year = {1961},
     zbl = {0095.05505},
     url = {http://geodesic.mathdoc.fr/item/MZ_1961__75_169924/}
}