%0 Journal Article %A A. A. Boitsev %A H. Neidhardt %A I. Yu. Popov %T Weyl function for sum of operators tensor products %J Nanosistemy: fizika, himiâ, matematika %D 2013 %P 747-759 %V 4 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2013_4_6_a1/ %G en %F NANO_2013_4_6_a1