TY - JOUR AU - V. V. Ishkhanov AU - B. B. Lur'e TI - On the embedding problem with non-Abelian kernel of order~$p^4$.~IV JO - Zapiski Nauchnykh Seminarov POMI PY - 1994 SP - 120 EP - 126 VL - 211 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1994_211_a7/ LA - ru ID - ZNSL_1994_211_a7 ER -