@article{MS2_1956__4_165612,
     author = {AUREL WINTNER},
     title = {On an absolute constant pertaining to {Cauchy's} },
     journal = {Mathematica Scandinavica},
     pages = {108--112},
     publisher = {mathdoc},
     volume = {4},
     year = {1956},
     zbl = {0070.29503},
     url = {http://geodesic.mathdoc.fr/item/MS2_1956__4_165612/}
}