@article{ZNSL_1989_175_a4,
     author = {V. V. Ishkhanov and B. B. Lur'e},
     title = {On embedding problem with nonabelian kernel of the order},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {46--62},
     publisher = {mathdoc},
     volume = {175},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1989_175_a4/}
}