%0 Journal Article %A V. G. Verdiev %T Evolution of zeros and extreme points of a~trigonometric polynomial as its extreme value varies %J Matematičeskie zametki %D 1990 %P 143-146 %V 48 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1990_48_5_a17/ %G ru %F MZM_1990_48_5_a17