@article{DAN_1967_172_5_a9,
     author = {L. I. Ronkin},
     title = {On the growth of the function $\Phi(r_1,\dots,r_n)$, convex with respect to $\ln r_1,\dots,\ln r_n$},
     journal = {Doklady Akademii Nauk},
     pages = {1028--1031},
     publisher = {mathdoc},
     volume = {172},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_172_5_a9/}
}