%0 Journal Article %A S. Yu. Dobrokhotov %A V. Martìnez Olivè %T Lissajous figures, two-dimensional tori, and the spectral series of a three-dimensional anharmonic oscillator %J Algebra i analiz %D 1996 %P 121-128 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1996_8_2_a5/ %G ru %F AA_1996_8_2_a5