@article{DAN_1990_314_4_a5,
     author = {P. L. Ul'yanov},
     title = {Properties of functions in {Gevrey} classes},
     journal = {Doklady Akademii Nauk},
     pages = {793--797},
     publisher = {mathdoc},
     volume = {314},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_4_a5/}
}