Geodesic
On the stability of $N$-particle systems
Teoretičeskaâ i matematičeskaâ fizika, Tome 76 (1988) no. 1, pp. 132-142 
S. A. Vugal'ter; G. M. Zhislin. On the stability of $N$-particle systems. Teoretičeskaâ i matematičeskaâ fizika, Tome 76 (1988) no. 1, pp. 132-142. http://geodesic.mathdoc.fr/item/TMF_1988_76_1_a10/
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     title = {On~the stability of $N$-particle systems},
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Voir la notice de l'article provenant de la source Math-Net.Ru

For a large class of $N$-particle boson and fermion systems we prove the existence of an increasing sequence of numbers $N_p$ such that the $N_p$ – particle system is stable, $p=1,2,\dots$. In addition, for fermions and any allowed symmetry type $\alpha$ sufficient condition is found for the existence of an increasing sequence of numbers $N_s(\alpha)$ such that a system of $N_s(\alpha)$ fermions has a bound state of symmetry $\alpha$.

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