%0 Journal Article %A A. B. Borisov %T Differential-geometrical method and new class of exact solutions of $\vec n$-field equations %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2003 %P 326-334 %V 10 %N 3 %U http://geodesic.mathdoc.fr/item/JMAG_2003_10_3_a4/ %G ru %F JMAG_2003_10_3_a4