%0 Journal Article %A Truksa, L. %T Application of Bessel coefficients in approximative expressing of collectives %J Aktuárské vědy %D 1930 %P 2-13 %V 1 %N 1 %U http://geodesic.mathdoc.fr/item/AV_1930_1_1_a3/ %G en %F AV_1930_1_1_a3