@article{DAN_1960_134_2_a3,
     author = {M. A. Evgrafov and I. A. Chegis},
     title = {Generalization of the {Phragm\'en--Lindel\"of} theorem on analytic functions to harmonic functions in space},
     journal = {Doklady Akademii Nauk},
     pages = {259--262},
     publisher = {mathdoc},
     volume = {134},
     number = {2},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_134_2_a3/}
}