%0 Journal Article %A N. N. Dobrovol'skii %A D. V. Gorbachev %A V. I. Ivanov %T About three-dimensional nets of Smolyak I %J Čebyševskij sbornik %D 2019 %P 193-219 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2019_20_3_a13/ %G ru %F CHEB_2019_20_3_a13