S. Manko, V.
(2015).
 The Axisymmetric Solitonic Solutions in General Relativity.
<em>CIENCIA ergo-sum, 8</em>(3).
Retrieved from <a href="https://cienciaergosum.uaemex.mx/article/view/7235" target="_new">https://cienciaergosum.uaemex.mx/article/view/7235</a>