@article{DAN_1962_143_3_a14,
     author = {{\CYRA}. {\CYRA}. Sharshanov},
     title = {Analytic iteration of functions of two variables},
     journal = {Doklady Akademii Nauk},
     pages = {551--554},
     year = {1962},
     volume = {143},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_143_3_a14/}
}