@article{TRSPY_1987_180_a93,
     author = {V. E. Mirakov},
     title = {On the question of improving a~theorem of {Vallee--Poussin} with the help of the {Pontryagin} maximum principle},
     journal = {Informatics and Automation},
     pages = {158--159},
     publisher = {mathdoc},
     volume = {180},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a93/}
}