@article{SM_1968_5_2_a8,
     author = {N. I. Fel'dman},
     title = {Estimate for a linear form of logarithms of algebraic numbers},
     journal = {Sbornik. Mathematics},
     pages = {291--307},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1968_5_2_a8/}
}