@article{IM2_1973_7_5_a4,
     author = {A. M. Gabri\`elov},
     title = {Formal relations between analynic functions},
     journal = {Izvestiya. Mathematics },
     pages = {1056--1088},
     publisher = {mathdoc},
     volume = {7},
     number = {5},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_5_a4/}
}