@article{DAN_1963_153_3_a1,
     author = {V. A. Andrunakievich and Yu. M. Ryabukhin},
     title = {The imbedding of modules},
     journal = {Doklady Akademii Nauk},
     pages = {507--509},
     year = {1963},
     volume = {153},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_153_3_a1/}
}