@article{IM2_1970_4_5_a7,
     author = {V. G. Hryptun},
     title = {Classes of functions quasianalytic with respect to a linear},
     journal = {Izvestiya. Mathematics},
     pages = {1135--1150},
     year = {1970},
     volume = {4},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1970_4_5_a7/}
}