%0 Journal Article %A A. V. Kazeykina %T Absence of Conductivity-Type Solitons for the Novikov--Veselov Equation at Zero Energy %J Funkcionalʹnyj analiz i ego priloženiâ %D 2013 %P 79-82 %V 47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2013_47_1_a7/ %G ru %F FAA_2013_47_1_a7