@article{MZM_1967_2_3_a1,
     author = {B. B. Lur'e},
     title = {Embeddability conditions when the kernel is a nonabelian $p$-group},
     journal = {Matemati\v{c}eskie zametki},
     pages = {233--238},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_3_a1/}
}