Hyperspherical treatment of strongly-interacting few-fermion systems in one dimension A.G. Volosniev, D.V. Fedorov, A.S. Jensen and N.T. Zinner Eur. Phys. J. Special Topics, 224 3 (2015) 585-590 Published online: 09 April 2015 DOI: 10.1140/epjst/e2015-02390-2