%0 Journal Article %A O. Yu. Shvedov %T On Quasiclassical Field Theories Invariant with Respect to a Lie Group %J Matematičeskie zametki %D 2003 %P 474-477 %V 73 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2003_73_3_a18/ %G ru %F MZM_2003_73_3_a18