%0 Journal Article
%A V. V. Tsukerman
%T Nabla-calculus, continued
%J Matematičeskoe obrazovanie
%D 2002
%P 42-52
%N 1
%U http://geodesic.mathdoc.fr/item/MO_2002_1_a4/
%G ru
%F MO_2002_1_a4