TY - JOUR AU - Šeda, Valter AU - Pekár, Ján TI - On some properties of the solution of the differential equation $u''+\frac{2u'}{r}=u-u^3$ JO - Applications of Mathematics PY - 1990 SP - 315 EP - 336 VL - 35 IS - 4 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1990.104413/ DO - 10.21136/AM.1990.104413 LA - en ID - 10_21136_AM_1990_104413 ER -