@article{DAN_1972_203_1_a5,
     author = {A. F. Ivanov},
     title = {On the arithmetic of $p$-extensions},
     journal = {Doklady Akademii Nauk},
     pages = {25--27},
     publisher = {mathdoc},
     volume = {203},
     number = {1},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_203_1_a5/}
}