@article{SM_2018_209_7_a2,
     author = {A. M. Gaisin},
     title = {Extremal problems in nonquasianalytic {Carleman} classes. {Applications}},
     journal = {Sbornik. Mathematics},
     pages = {958--984},
     publisher = {mathdoc},
     volume = {209},
     number = {7},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2018_209_7_a2/}
}