%0 Journal Article %A Šeda, Valter %A Pekár, Ján %T On some properties of the solution of the differential equation $u''+\frac{2u'}{r}=u-u^3$ %J Applications of Mathematics %D 1990 %P 315-336 %V 35 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1990.104413/ %R 10.21136/AM.1990.104413 %G en %F 10_21136_AM_1990_104413