%0 Journal Article %A Z. Yu. Fazullin %A Kh. Kh. Murtazin %T Regularized trace of a~two-dimensional harmonic oscillator %J Sbornik. Mathematics %D 2001 %P 725-761 %V 192 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2001_192_5_a4/ %G en %F SM_2001_192_5_a4