%0 Journal Article %A E. V. Prokhvatilov %A V. A. Franke %T Stability of string type solutions in classical gauge field theories %J Teoretičeskaâ i matematičeskaâ fizika %D 1977 %P 300-307 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1977_31_3_a1/ %G ru %F TMF_1977_31_3_a1