%0 Journal Article %A V. N. Ushakov %A A. A. Ershov %T On the parametric dependence of the volume of integral funnels and their approximations %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2022 %P 447-462 %V 32 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2022_32_3_a6/ %G ru %F VUU_2022_32_3_a6