%0 Journal Article %A D. S. Golikov %A V. P. Maslov %T On the Exact Solution of the Four-Row Matrix Corresponding to the Variational Equations for Ultrasecond Quantization Problems %J Matematičeskie zametki %D 2008 %P 305-309 %V 83 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2008_83_2_a10/ %G ru %F MZM_2008_83_2_a10