@article{SM_1969_7_2_a6,
     author = {V. A. Oleinikov},
     title = {The algebraic independence of the values of $E$-functions},
     journal = {Sbornik. Mathematics},
     pages = {293--298},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_7_2_a6/}
}