%0 Journal Article %A E. G. Ekomasov %A R. K. Salimov %T Pseudo-spectral Fourier method as applied to finding localized spherical soliton solutions of $(3 + 1)$-dimensional Klein–Gordon equations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2016 %P 1628-1634 %V 56 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2016_56_9_a8/ %G ru %F ZVMMF_2016_56_9_a8