%0 Journal Article %A A. V. Rodionov %T Some number-theoretic methods for solving partial derivatives %J Čebyševskij sbornik %D 2021 %P 256-297 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2021_22_3_a16/ %G ru %F CHEB_2021_22_3_a16