@article{SM_2009_200_10_a4,
     author = {A. Yu. Neklyudov},
     title = {Analogues of {Chernoff's} theorem and the {Lie-Trotter} theorem},
     journal = {Sbornik. Mathematics},
     pages = {1495--1519},
     publisher = {mathdoc},
     volume = {200},
     number = {10},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2009_200_10_a4/}
}