@article{SM_2010_201_1_a1,
     author = {A. P. Bulanov},
     title = {Iterated cyclic exponentials and power functions with extra-periodic first coefficients},
     journal = {Sbornik. Mathematics},
     pages = {23--55},
     publisher = {mathdoc},
     volume = {201},
     number = {1},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2010_201_1_a1/}
}