@article{AA_1990_2_6_a10,
     author = {V. V. Ishkhanov and B. B. Lur'e},
     title = {An embedding problem for number fields with a~noncommutative kernel of order $p^4$},
     journal = {Algebra i analiz},
     pages = {161--167},
     publisher = {mathdoc},
     volume = {2},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1990_2_6_a10/}
}