Ekiel-Jeżewska, M. and Wajnryb, E. (2006) “Three-particle motion under gravity in Stokes flow: an equilibrium for spheres in contrast to ‘an end-of-world’ for point particles”, Archives of Mechanics, 58(4-5), pp. 489–494. Available at: http://am.ippt.gov.pl/index.php/am/article/view/v58p489 (Accessed: 17 January 2026).