%0 Journal Article %A L. G. Zastavenko %T Vacuum degeneracy of scalar charged field with self-interaction $H'=g\int(\varphi^*\varphi)^2{dx}$ in the case of one spatial degree of freedom %J Teoretičeskaâ i matematičeskaâ fizika %D 1971 %P 335-342 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1971_8_3_a4/ %G ru %F TMF_1971_8_3_a4