Zapryanov, Zapryan. “Hydrodynamic Interaction of Rigid Fluid Particles”. Ann. Sofia Univ. Fac. Math. and Inf. 86, no. 2 (December 12, 1994): 133–167. Accessed November 24, 2024. https://ftl5.uni-sofia.bg./index.php/fmi/article/view/510.