TY - JOUR AU - V. E. Mirakov TI - On the question of improving a~theorem of Vallee--Poussin with the help of the Pontryagin maximum principle JO - Informatics and Automation PY - 1987 SP - 158 EP - 159 VL - 180 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a93/ LA - ru ID - TRSPY_1987_180_a93 ER -