%0 Journal Article %A I. P. Mysovskikh %T Cubature formulas that are exact for trigonometric polynomials %J Doklady Akademii Nauk %D 1987 %P 28-31 %V 296 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_296_1_a5/ %G ru %F DAN_1987_296_1_a5