@article{GDZPPN002342626, title = {Some extremal properties of Laplace transforms .}, journal = {Mathematica Scandinavica}, volume = {1}, year = {1953}, pages = {227-236}, zbl = {0051.33503}, url = {http://dml.mathdoc.fr/item/GDZPPN002342626} }
HILLE, Einar. Some extremal properties of Laplace transforms .. Mathematica Scandinavica, Tome 1 (1953) pp. 227-236. http://gdmltest.u-ga.fr/item/GDZPPN002342626/