@article{MZM_1991_49_2_a6,
     author = {P. L. Ivankov},
     title = {Lower bounds for linear forms in the values of {Kummer} functions with an irrational parameter},
     journal = {Matemati\v{c}eskie zametki},
     pages = {55--63},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a6/}
}