TY - JOUR AU - Yu. N. Kiselev TI - Linear time-optimality problem and the unit sphere of initial values of a~conjugate variable JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1985 SP - 179 EP - 182 VL - 167 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1985_167_a8/ LA - ru ID - TM_1985_167_a8 ER -