@article{PDM_2017_4_a9,
     author = {V. V. Kochergin and D. V. Kochergin},
     title = {Improvement of the lower bound for the complexity of  exponentiation},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {119--132},
     publisher = {mathdoc},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2017_4_a9/}
}