@article{MZM_1969_6_6_a12,
     author = {N. I. Fel'dman},
     title = {A~refinement of two effective inequalities of {A.~Baker}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {767--769},
     publisher = {mathdoc},
     volume = {6},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1969_6_6_a12/}
}