TY - JOUR AU - V. V. Ishkhanov TI - An embedding problem with a~nonabelian kernel of order $p^4$ JO - Informatics and Automation PY - 1990 SP - 116 EP - 121 VL - 183 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1990_183_a13/ LA - ru ID - TRSPY_1990_183_a13 ER -