@article{MZM_1998_63_5_a3,
     author = {J. Godula and V. V. Starkov},
     title = {Sharpness of certain {Campbell} and {Pommerenke} estimates},
     journal = {Matemati\v{c}eskie zametki},
     pages = {665--672},
     publisher = {mathdoc},
     volume = {63},
     number = {5},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1998_63_5_a3/}
}