TY - JOUR AU - Tsv. Tsachev TI - An Optimal Control Problem for the Heat Equation JO - Mathematica balkanica PY - 1989 SP - 296 VL - 3 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1989_3_3-4_a6/ ID - MABA_1989_3_3-4_a6 ER -